Home / 288,717,545.12-433,101,777.08-81,457,769.46

Finding the Fourth Proportional to 288,717,545.12, 433,101,777.08 and 81,457,769.46

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Solution

The fourth proportional to 288,717,545.12, 433,101,777.08 and 81,457,769.46 is: 122,193,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,717,545.12 : 433,101,777.08 = 81,457,769.46 : x
  2. Step 2: Convert to fraction form
    288,717,545.12/433,101,777.08 = 81,457,769.46/x
  3. Step 3: Cross multiply
    288,717,545.12x = 433,101,777.08 × 81,457,769.46
  4. Step 4: Simplify right side
    288,717,545.12x = 35,279,504,710,098,948
  5. Step 5: Solve for x
    x = 35,279,504,710,098,948/288,717,545.12
  6. Step 6: Final answer
    x = 122,193,837.22

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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.