Home / 65,955,007.70-98,932,511.55-55,373,426.90

Finding the Fourth Proportional to 65,955,007.70, 98,932,511.55 and 55,373,426.90

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Solution

The fourth proportional to 65,955,007.70, 98,932,511.55 and 55,373,426.90 is: 83,060,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955,007.70 : 98,932,511.55 = 55,373,426.90 : x
  2. Step 2: Convert to fraction form
    65,955,007.70/98,932,511.55 = 55,373,426.90/x
  3. Step 3: Cross multiply
    65,955,007.70x = 98,932,511.55 × 55,373,426.90
  4. Step 4: Simplify right side
    65,955,007.70x = 5,478,232,196,347,330
  5. Step 5: Solve for x
    x = 5,478,232,196,347,330/65,955,007.70
  6. Step 6: Final answer
    x = 83,060,140.35

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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.