Home / 39,573,315.90-59,312,734.65-20,394,200.70

Finding the Fourth Proportional to 39,573,315.90, 59,312,734.65 and 20,394,200.70

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Solution

The fourth proportional to 39,573,315.90, 59,312,734.65 and 20,394,200.70 is: 30,566,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573,315.90 : 59,312,734.65 = 20,394,200.70 : x
  2. Step 2: Convert to fraction form
    39,573,315.90/59,312,734.65 = 20,394,200.70/x
  3. Step 3: Cross multiply
    39,573,315.90x = 59,312,734.65 × 20,394,200.70
  4. Step 4: Simplify right side
    39,573,315.90x = 1,209,635,814,517,944.25
  5. Step 5: Solve for x
    x = 1,209,635,814,517,944.25/39,573,315.90
  6. Step 6: Final answer
    x = 30,566,956.22

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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.