Home / 90,100,283,710.71-124,441,585,965.15-59,338,082,717.67

Finding the Fourth Proportional to 90,100,283,710.71, 124,441,585,965.15 and 59,338,082,717.67

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Solution

The fourth proportional to 90,100,283,710.71, 124,441,585,965.15 and 59,338,082,717.67 is: 81,954,515,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,100,283,710.71 : 124,441,585,965.15 = 59,338,082,717.67 : x
  2. Step 2: Convert to fraction form
    90,100,283,710.71/124,441,585,965.15 = 59,338,082,717.67/x
  3. Step 3: Cross multiply
    90,100,283,710.71x = 124,441,585,965.15 × 59,338,082,717.67
  4. Step 4: Simplify right side
    90,100,283,710.71x = 7,384,125,121,518,111,817,728
  5. Step 5: Solve for x
    x = 7,384,125,121,518,111,817,728/90,100,283,710.71
  6. Step 6: Final answer
    x = 81,954,515,761.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.