Home / 84,657,416.60-126,986,124.90-27,155,500.40

Finding the Fourth Proportional to 84,657,416.60, 126,986,124.90 and 27,155,500.40

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Solution

The fourth proportional to 84,657,416.60, 126,986,124.90 and 27,155,500.40 is: 40,733,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657,416.60 : 126,986,124.90 = 27,155,500.40 : x
  2. Step 2: Convert to fraction form
    84,657,416.60/126,986,124.90 = 27,155,500.40/x
  3. Step 3: Cross multiply
    84,657,416.60x = 126,986,124.90 × 27,155,500.40
  4. Step 4: Simplify right side
    84,657,416.60x = 3,448,371,765,516,400
  5. Step 5: Solve for x
    x = 3,448,371,765,516,400/84,657,416.60
  6. Step 6: Final answer
    x = 40,733,250.60

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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.