Home / 43,092,079.40-64,638,119.10-39,123,986.60

Finding the Fourth Proportional to 43,092,079.40, 64,638,119.10 and 39,123,986.60

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Solution

The fourth proportional to 43,092,079.40, 64,638,119.10 and 39,123,986.60 is: 58,685,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092,079.40 : 64,638,119.10 = 39,123,986.60 : x
  2. Step 2: Convert to fraction form
    43,092,079.40/64,638,119.10 = 39,123,986.60/x
  3. Step 3: Cross multiply
    43,092,079.40x = 64,638,119.10 × 39,123,986.60
  4. Step 4: Simplify right side
    43,092,079.40x = 2,528,900,905,517,604
  5. Step 5: Solve for x
    x = 2,528,900,905,517,604/43,092,079.40
  6. Step 6: Final answer
    x = 58,685,979.90

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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.