Home / 145,721,081.13-218,582,561.22-58,289,902.26

Finding the Fourth Proportional to 145,721,081.13, 218,582,561.22 and 58,289,902.26

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Solution

The fourth proportional to 145,721,081.13, 218,582,561.22 and 58,289,902.26 is: 87,435,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,721,081.13 : 218,582,561.22 = 58,289,902.26 : x
  2. Step 2: Convert to fraction form
    145,721,081.13/218,582,561.22 = 58,289,902.26/x
  3. Step 3: Cross multiply
    145,721,081.13x = 218,582,561.22 × 58,289,902.26
  4. Step 4: Simplify right side
    145,721,081.13x = 12,741,156,129,254,266
  5. Step 5: Solve for x
    x = 12,741,156,129,254,266/145,721,081.13
  6. Step 6: Final answer
    x = 87,435,229.21

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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.