Home / 103,740,056.64-155,636,962.38-55,177,938.72

Finding the Fourth Proportional to 103,740,056.64, 155,636,962.38 and 55,177,938.72

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Solution

The fourth proportional to 103,740,056.64, 155,636,962.38 and 55,177,938.72 is: 82,781,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,740,056.64 : 155,636,962.38 = 55,177,938.72 : x
  2. Step 2: Convert to fraction form
    103,740,056.64/155,636,962.38 = 55,177,938.72/x
  3. Step 3: Cross multiply
    103,740,056.64x = 155,636,962.38 × 55,177,938.72
  4. Step 4: Simplify right side
    103,740,056.64x = 8,587,726,772,770,585
  5. Step 5: Solve for x
    x = 8,587,726,772,770,585/103,740,056.64
  6. Step 6: Final answer
    x = 82,781,203.82

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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.