Home / 43,123,337.60-64,685,006.40-42,556,467.20

Finding the Fourth Proportional to 43,123,337.60, 64,685,006.40 and 42,556,467.20

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Solution

The fourth proportional to 43,123,337.60, 64,685,006.40 and 42,556,467.20 is: 63,834,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123,337.60 : 64,685,006.40 = 42,556,467.20 : x
  2. Step 2: Convert to fraction form
    43,123,337.60/64,685,006.40 = 42,556,467.20/x
  3. Step 3: Cross multiply
    43,123,337.60x = 64,685,006.40 × 42,556,467.20
  4. Step 4: Simplify right side
    43,123,337.60x = 2,752,765,353,193,390
  5. Step 5: Solve for x
    x = 2,752,765,353,193,390/43,123,337.60
  6. Step 6: Final answer
    x = 63,834,700.80

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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.