Home / 78,732,114.60-118,098,171.90-50,105,159.40

Finding the Fourth Proportional to 78,732,114.60, 118,098,171.90 and 50,105,159.40

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Solution

The fourth proportional to 78,732,114.60, 118,098,171.90 and 50,105,159.40 is: 75,157,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,114.60 : 118,098,171.90 = 50,105,159.40 : x
  2. Step 2: Convert to fraction form
    78,732,114.60/118,098,171.90 = 50,105,159.40/x
  3. Step 3: Cross multiply
    78,732,114.60x = 118,098,171.90 × 50,105,159.40
  4. Step 4: Simplify right side
    78,732,114.60x = 5,917,327,727,898,101
  5. Step 5: Solve for x
    x = 5,917,327,727,898,101/78,732,114.60
  6. Step 6: Final answer
    x = 75,157,739.10

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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.