Home / 83,140,992,003.85-124,711,488,005.78-83,140,992,003.85

Finding the Fourth Proportional to 83,140,992,003.85, 124,711,488,005.78 and 83,140,992,003.85

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Solution

The fourth proportional to 83,140,992,003.85, 124,711,488,005.78 and 83,140,992,003.85 is: 124,711,488,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140,992,003.85 : 124,711,488,005.78 = 83,140,992,003.85 : x
  2. Step 2: Convert to fraction form
    83,140,992,003.85/124,711,488,005.78 = 83,140,992,003.85/x
  3. Step 3: Cross multiply
    83,140,992,003.85x = 124,711,488,005.78 × 83,140,992,003.85
  4. Step 4: Simplify right side
    83,140,992,003.85x = 10,368,636,827,076,791,369,728
  5. Step 5: Solve for x
    x = 10,368,636,827,076,791,369,728/83,140,992,003.85
  6. Step 6: Final answer
    x = 124,711,488,005.78

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1.5x scale

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.