Home / 122,506,393.20-169,066,353.24-67,502,235.12

Finding the Fourth Proportional to 122,506,393.20, 169,066,353.24 and 67,502,235.12

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Solution

The fourth proportional to 122,506,393.20, 169,066,353.24 and 67,502,235.12 is: 93,157,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,506,393.20 : 169,066,353.24 = 67,502,235.12 : x
  2. Step 2: Convert to fraction form
    122,506,393.20/169,066,353.24 = 67,502,235.12/x
  3. Step 3: Cross multiply
    122,506,393.20x = 169,066,353.24 × 67,502,235.12
  4. Step 4: Simplify right side
    122,506,393.20x = 11,412,356,727,287,456
  5. Step 5: Solve for x
    x = 11,412,356,727,287,456/122,506,393.20
  6. Step 6: Final answer
    x = 93,157,233.91

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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.