Home / 90,324,308.32-124,638,551.68-51,158,268.16

Finding the Fourth Proportional to 90,324,308.32, 124,638,551.68 and 51,158,268.16

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Solution

The fourth proportional to 90,324,308.32, 124,638,551.68 and 51,158,268.16 is: 70,593,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324,308.32 : 124,638,551.68 = 51,158,268.16 : x
  2. Step 2: Convert to fraction form
    90,324,308.32/124,638,551.68 = 51,158,268.16/x
  3. Step 3: Cross multiply
    90,324,308.32x = 124,638,551.68 × 51,158,268.16
  4. Step 4: Simplify right side
    90,324,308.32x = 6,376,292,449,919,458
  5. Step 5: Solve for x
    x = 6,376,292,449,919,458/90,324,308.32
  6. Step 6: Final answer
    x = 70,593,316.11

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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.