Home / 90,477,940.48-135,729,525.12-29,068,959.04

Finding the Fourth Proportional to 90,477,940.48, 135,729,525.12 and 29,068,959.04

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Solution

The fourth proportional to 90,477,940.48, 135,729,525.12 and 29,068,959.04 is: 43,607,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,477,940.48 : 135,729,525.12 = 29,068,959.04 : x
  2. Step 2: Convert to fraction form
    90,477,940.48/135,729,525.12 = 29,068,959.04/x
  3. Step 3: Cross multiply
    90,477,940.48x = 135,729,525.12 × 29,068,959.04
  4. Step 4: Simplify right side
    90,477,940.48x = 3,945,516,006,231,931
  5. Step 5: Solve for x
    x = 3,945,516,006,231,931/90,477,940.48
  6. Step 6: Final answer
    x = 43,607,491.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.