Home / 78,732,060.15-118,098,090.23-55,553,359.35

Finding the Fourth Proportional to 78,732,060.15, 118,098,090.23 and 55,553,359.35

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Solution

The fourth proportional to 78,732,060.15, 118,098,090.23 and 55,553,359.35 is: 83,330,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,060.15 : 118,098,090.23 = 55,553,359.35 : x
  2. Step 2: Convert to fraction form
    78,732,060.15/118,098,090.23 = 55,553,359.35/x
  3. Step 3: Cross multiply
    78,732,060.15x = 118,098,090.23 × 55,553,359.35
  4. Step 4: Simplify right side
    78,732,060.15x = 6,560,745,644,818,147
  5. Step 5: Solve for x
    x = 6,560,745,644,818,147/78,732,060.15
  6. Step 6: Final answer
    x = 83,330,039.03

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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.