Home / 71,115,599.40-106,673,399.10-53,199,695.40

Finding the Fourth Proportional to 71,115,599.40, 106,673,399.10 and 53,199,695.40

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Solution

The fourth proportional to 71,115,599.40, 106,673,399.10 and 53,199,695.40 is: 79,799,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115,599.40 : 106,673,399.10 = 53,199,695.40 : x
  2. Step 2: Convert to fraction form
    71,115,599.40/106,673,399.10 = 53,199,695.40/x
  3. Step 3: Cross multiply
    71,115,599.40x = 106,673,399.10 × 53,199,695.40
  4. Step 4: Simplify right side
    71,115,599.40x = 5,674,992,339,402,634
  5. Step 5: Solve for x
    x = 5,674,992,339,402,634/71,115,599.40
  6. Step 6: Final answer
    x = 79,799,543.10

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Similar ratio
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1.5x scale

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.