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Finding the Fourth Proportional to 283,566,673.60, 425,350,010.40 and 181,446,020.80

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Solution

The fourth proportional to 283,566,673.60, 425,350,010.40 and 181,446,020.80 is: 272,169,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,566,673.60 : 425,350,010.40 = 181,446,020.80 : x
  2. Step 2: Convert to fraction form
    283,566,673.60/425,350,010.40 = 181,446,020.80/x
  3. Step 3: Cross multiply
    283,566,673.60x = 425,350,010.40 × 181,446,020.80
  4. Step 4: Simplify right side
    283,566,673.60x = 77,178,066,834,318,624
  5. Step 5: Solve for x
    x = 77,178,066,834,318,624/283,566,673.60
  6. Step 6: Final answer
    x = 272,169,031.20

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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.