Home / 145,305,343.24-218,060,151.36-131,412,686.61

Finding the Fourth Proportional to 145,305,343.24, 218,060,151.36 and 131,412,686.61

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Solution

The fourth proportional to 145,305,343.24, 218,060,151.36 and 131,412,686.61 is: 197,211,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,305,343.24 : 218,060,151.36 = 131,412,686.61 : x
  2. Step 2: Convert to fraction form
    145,305,343.24/218,060,151.36 = 131,412,686.61/x
  3. Step 3: Cross multiply
    145,305,343.24x = 218,060,151.36 × 131,412,686.61
  4. Step 4: Simplify right side
    145,305,343.24x = 28,655,870,333,125,772
  5. Step 5: Solve for x
    x = 28,655,870,333,125,772/145,305,343.24
  6. Step 6: Final answer
    x = 197,211,401.14

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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.