Home / 83,126,688.40-124,477,456.20-61,443,895.60

Finding the Fourth Proportional to 83,126,688.40, 124,477,456.20 and 61,443,895.60

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Solution

The fourth proportional to 83,126,688.40, 124,477,456.20 and 61,443,895.60 is: 92,008,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126,688.40 : 124,477,456.20 = 61,443,895.60 : x
  2. Step 2: Convert to fraction form
    83,126,688.40/124,477,456.20 = 61,443,895.60/x
  3. Step 3: Cross multiply
    83,126,688.40x = 124,477,456.20 × 61,443,895.60
  4. Step 4: Simplify right side
    83,126,688.40x = 7,648,379,823,306,373
  5. Step 5: Solve for x
    x = 7,648,379,823,306,373/83,126,688.40
  6. Step 6: Final answer
    x = 92,008,715.50

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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.