Home / 79,130,732.40-118,724,092.20-76,331,372.40

Finding the Fourth Proportional to 79,130,732.40, 118,724,092.20 and 76,331,372.40

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Solution

The fourth proportional to 79,130,732.40, 118,724,092.20 and 76,331,372.40 is: 114,524,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,130,732.40 : 118,724,092.20 = 76,331,372.40 : x
  2. Step 2: Convert to fraction form
    79,130,732.40/118,724,092.20 = 76,331,372.40/x
  3. Step 3: Cross multiply
    79,130,732.40x = 118,724,092.20 × 76,331,372.40
  4. Step 4: Simplify right side
    79,130,732.40x = 9,062,372,894,570,136
  5. Step 5: Solve for x
    x = 9,062,372,894,570,136/79,130,732.40
  6. Step 6: Final answer
    x = 114,524,061.89

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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.