Home / 91,724,673.78-126,583,542.18-52,574,005.80

Finding the Fourth Proportional to 91,724,673.78, 126,583,542.18 and 52,574,005.80

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Solution

The fourth proportional to 91,724,673.78, 126,583,542.18 and 52,574,005.80 is: 72,554,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724,673.78 : 126,583,542.18 = 52,574,005.80 : x
  2. Step 2: Convert to fraction form
    91,724,673.78/126,583,542.18 = 52,574,005.80/x
  3. Step 3: Cross multiply
    91,724,673.78x = 126,583,542.18 × 52,574,005.80
  4. Step 4: Simplify right side
    91,724,673.78x = 6,655,003,880,755,865
  5. Step 5: Solve for x
    x = 6,655,003,880,755,865/91,724,673.78
  6. Step 6: Final answer
    x = 72,554,129.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.