Home / 101,187,753.08-139,639,144.34-54,778,005.50

Finding the Fourth Proportional to 101,187,753.08, 139,639,144.34 and 54,778,005.50

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Solution

The fourth proportional to 101,187,753.08, 139,639,144.34 and 54,778,005.50 is: 75,593,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,753.08 : 139,639,144.34 = 54,778,005.50 : x
  2. Step 2: Convert to fraction form
    101,187,753.08/139,639,144.34 = 54,778,005.50/x
  3. Step 3: Cross multiply
    101,187,753.08x = 139,639,144.34 × 54,778,005.50
  4. Step 4: Simplify right side
    101,187,753.08x = 7,649,153,816,397,924
  5. Step 5: Solve for x
    x = 7,649,153,816,397,924/101,187,753.08
  6. Step 6: Final answer
    x = 75,593,672.00

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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.