Home / 90,348,972,132.32-124,860,472,307.01-74,046,866,361.54

Finding the Fourth Proportional to 90,348,972,132.32, 124,860,472,307.01 and 74,046,866,361.54

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Solution

The fourth proportional to 90,348,972,132.32, 124,860,472,307.01 and 74,046,866,361.54 is: 102,331,288,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,348,972,132.32 : 124,860,472,307.01 = 74,046,866,361.54 : x
  2. Step 2: Convert to fraction form
    90,348,972,132.32/124,860,472,307.01 = 74,046,866,361.54/x
  3. Step 3: Cross multiply
    90,348,972,132.32x = 124,860,472,307.01 × 74,046,866,361.54
  4. Step 4: Simplify right side
    90,348,972,132.32x = 9,245,526,706,756,309,221,376
  5. Step 5: Solve for x
    x = 9,245,526,706,756,309,221,376/90,348,972,132.32
  6. Step 6: Final answer
    x = 102,331,288,210.08

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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.