Home / 42,983,212.80-64,474,819.20-40,461,715.20

Finding the Fourth Proportional to 42,983,212.80, 64,474,819.20 and 40,461,715.20

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Solution

The fourth proportional to 42,983,212.80, 64,474,819.20 and 40,461,715.20 is: 60,692,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983,212.80 : 64,474,819.20 = 40,461,715.20 : x
  2. Step 2: Convert to fraction form
    42,983,212.80/64,474,819.20 = 40,461,715.20/x
  3. Step 3: Cross multiply
    42,983,212.80x = 64,474,819.20 × 40,461,715.20
  4. Step 4: Simplify right side
    42,983,212.80x = 2,608,761,772,041,892
  5. Step 5: Solve for x
    x = 2,608,761,772,041,892/42,983,212.80
  6. Step 6: Final answer
    x = 60,692,572.80

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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.