Home / 293,221,409.20-439,720,139.40-88,681,505.20

Finding the Fourth Proportional to 293,221,409.20, 439,720,139.40 and 88,681,505.20

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Solution

The fourth proportional to 293,221,409.20, 439,720,139.40 and 88,681,505.20 is: 132,988,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,221,409.20 : 439,720,139.40 = 88,681,505.20 : x
  2. Step 2: Convert to fraction form
    293,221,409.20/439,720,139.40 = 88,681,505.20/x
  3. Step 3: Cross multiply
    293,221,409.20x = 439,720,139.40 × 88,681,505.20
  4. Step 4: Simplify right side
    293,221,409.20x = 38,995,043,828,745,824
  5. Step 5: Solve for x
    x = 38,995,043,828,745,824/293,221,409.20
  6. Step 6: Final answer
    x = 132,988,392.41

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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.