Home / 78,732,148.55-118,098,222.83-49,821,758.15

Finding the Fourth Proportional to 78,732,148.55, 118,098,222.83 and 49,821,758.15

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Solution

The fourth proportional to 78,732,148.55, 118,098,222.83 and 49,821,758.15 is: 74,732,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,148.55 : 118,098,222.83 = 49,821,758.15 : x
  2. Step 2: Convert to fraction form
    78,732,148.55/118,098,222.83 = 49,821,758.15/x
  3. Step 3: Cross multiply
    78,732,148.55x = 118,098,222.83 × 49,821,758.15
  4. Step 4: Simplify right side
    78,732,148.55x = 5,883,861,095,531,960
  5. Step 5: Solve for x
    x = 5,883,861,095,531,960/78,732,148.55
  6. Step 6: Final answer
    x = 74,732,637.23

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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.