Home / 99,997,460.50-138,001,855.86-55,941,831.85

Finding the Fourth Proportional to 99,997,460.50, 138,001,855.86 and 55,941,831.85

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Solution

The fourth proportional to 99,997,460.50, 138,001,855.86 and 55,941,831.85 is: 77,202,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,997,460.50 : 138,001,855.86 = 55,941,831.85 : x
  2. Step 2: Convert to fraction form
    99,997,460.50/138,001,855.86 = 55,941,831.85/x
  3. Step 3: Cross multiply
    99,997,460.50x = 138,001,855.86 × 55,941,831.85
  4. Step 4: Simplify right side
    99,997,460.50x = 7,720,076,614,538,338
  5. Step 5: Solve for x
    x = 7,720,076,614,538,338/99,997,460.50
  6. Step 6: Final answer
    x = 77,202,726.71

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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.