Home / 143,838,476.10-215,757,714.15-83,409,624.90

Finding the Fourth Proportional to 143,838,476.10, 215,757,714.15 and 83,409,624.90

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Solution

The fourth proportional to 143,838,476.10, 215,757,714.15 and 83,409,624.90 is: 125,114,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,838,476.10 : 215,757,714.15 = 83,409,624.90 : x
  2. Step 2: Convert to fraction form
    143,838,476.10/215,757,714.15 = 83,409,624.90/x
  3. Step 3: Cross multiply
    143,838,476.10x = 215,757,714.15 × 83,409,624.90
  4. Step 4: Simplify right side
    143,838,476.10x = 17,996,270,006,532,924
  5. Step 5: Solve for x
    x = 17,996,270,006,532,924/143,838,476.10
  6. Step 6: Final answer
    x = 125,114,437.35

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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.