Home / 126,105,045.48-189,165,559.68-53,308,258.92

Finding the Fourth Proportional to 126,105,045.48, 189,165,559.68 and 53,308,258.92

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Solution

The fourth proportional to 126,105,045.48, 189,165,559.68 and 53,308,258.92 is: 79,965,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,105,045.48 : 189,165,559.68 = 53,308,258.92 : x
  2. Step 2: Convert to fraction form
    126,105,045.48/189,165,559.68 = 53,308,258.92/x
  3. Step 3: Cross multiply
    126,105,045.48x = 189,165,559.68 × 53,308,258.92
  4. Step 4: Simplify right side
    126,105,045.48x = 10,084,086,634,168,154
  5. Step 5: Solve for x
    x = 10,084,086,634,168,154/126,105,045.48
  6. Step 6: Final answer
    x = 79,965,766.60

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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.