Home / 266,955,336.10-400,433,004.15-85,220,884.90

Finding the Fourth Proportional to 266,955,336.10, 400,433,004.15 and 85,220,884.90

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Solution

The fourth proportional to 266,955,336.10, 400,433,004.15 and 85,220,884.90 is: 127,831,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,955,336.10 : 400,433,004.15 = 85,220,884.90 : x
  2. Step 2: Convert to fraction form
    266,955,336.10/400,433,004.15 = 85,220,884.90/x
  3. Step 3: Cross multiply
    266,955,336.10x = 400,433,004.15 × 85,220,884.90
  4. Step 4: Simplify right side
    266,955,336.10x = 34,125,254,956,828,372
  5. Step 5: Solve for x
    x = 34,125,254,956,828,372/266,955,336.10
  6. Step 6: Final answer
    x = 127,831,327.35

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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.