Home / 90,150,802.71-124,406,886.94-50,458,321.66

Finding the Fourth Proportional to 90,150,802.71, 124,406,886.94 and 50,458,321.66

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Solution

The fourth proportional to 90,150,802.71, 124,406,886.94 and 50,458,321.66 is: 69,631,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150,802.71 : 124,406,886.94 = 50,458,321.66 : x
  2. Step 2: Convert to fraction form
    90,150,802.71/124,406,886.94 = 50,458,321.66/x
  3. Step 3: Cross multiply
    90,150,802.71x = 124,406,886.94 × 50,458,321.66
  4. Step 4: Simplify right side
    90,150,802.71x = 6,277,362,717,063,447
  5. Step 5: Solve for x
    x = 6,277,362,717,063,447/90,150,802.71
  6. Step 6: Final answer
    x = 69,631,800.59

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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.