Home / 66,445,564.20-99,687,008.70-32,368,021.80

Finding the Fourth Proportional to 66,445,564.20, 99,687,008.70 and 32,368,021.80

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Solution

The fourth proportional to 66,445,564.20, 99,687,008.70 and 32,368,021.80 is: 48,561,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,564.20 : 99,687,008.70 = 32,368,021.80 : x
  2. Step 2: Convert to fraction form
    66,445,564.20/99,687,008.70 = 32,368,021.80/x
  3. Step 3: Cross multiply
    66,445,564.20x = 99,687,008.70 × 32,368,021.80
  4. Step 4: Simplify right side
    66,445,564.20x = 3,226,671,270,778,390
  5. Step 5: Solve for x
    x = 3,226,671,270,778,390/66,445,564.20
  6. Step 6: Final answer
    x = 48,561,123.83

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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.