Home / 42,372,032.60-63,558,048.90-39,821,115.80

Finding the Fourth Proportional to 42,372,032.60, 63,558,048.90 and 39,821,115.80

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Solution

The fourth proportional to 42,372,032.60, 63,558,048.90 and 39,821,115.80 is: 59,731,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,032.60 : 63,558,048.90 = 39,821,115.80 : x
  2. Step 2: Convert to fraction form
    42,372,032.60/63,558,048.90 = 39,821,115.80/x
  3. Step 3: Cross multiply
    42,372,032.60x = 63,558,048.90 × 39,821,115.80
  4. Step 4: Simplify right side
    42,372,032.60x = 2,530,952,425,268,962.50
  5. Step 5: Solve for x
    x = 2,530,952,425,268,962.50/42,372,032.60
  6. Step 6: Final answer
    x = 59,731,673.70

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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.