Home / 74,732,406.60-112,098,609.90-45,885,001.80

Finding the Fourth Proportional to 74,732,406.60, 112,098,609.90 and 45,885,001.80

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Solution

The fourth proportional to 74,732,406.60, 112,098,609.90 and 45,885,001.80 is: 68,827,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732,406.60 : 112,098,609.90 = 45,885,001.80 : x
  2. Step 2: Convert to fraction form
    74,732,406.60/112,098,609.90 = 45,885,001.80/x
  3. Step 3: Cross multiply
    74,732,406.60x = 112,098,609.90 × 45,885,001.80
  4. Step 4: Simplify right side
    74,732,406.60x = 5,143,644,917,038,998
  5. Step 5: Solve for x
    x = 5,143,644,917,038,998/74,732,406.60
  6. Step 6: Final answer
    x = 68,827,502.70

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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.