Home / 35,478,225.60-53,217,338.40-20,319,691.20

Finding the Fourth Proportional to 35,478,225.60, 53,217,338.40 and 20,319,691.20

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Solution

The fourth proportional to 35,478,225.60, 53,217,338.40 and 20,319,691.20 is: 30,479,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,225.60 : 53,217,338.40 = 20,319,691.20 : x
  2. Step 2: Convert to fraction form
    35,478,225.60/53,217,338.40 = 20,319,691.20/x
  3. Step 3: Cross multiply
    35,478,225.60x = 53,217,338.40 × 20,319,691.20
  4. Step 4: Simplify right side
    35,478,225.60x = 1,081,359,882,773,902
  5. Step 5: Solve for x
    x = 1,081,359,882,773,902/35,478,225.60
  6. Step 6: Final answer
    x = 30,479,536.80

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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.