Home / 115,765,920.40-173,499,581.40-88,705,440.40

Finding the Fourth Proportional to 115,765,920.40, 173,499,581.40 and 88,705,440.40

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Solution

The fourth proportional to 115,765,920.40, 173,499,581.40 and 88,705,440.40 is: 132,943,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,765,920.40 : 173,499,581.40 = 88,705,440.40 : x
  2. Step 2: Convert to fraction form
    115,765,920.40/173,499,581.40 = 88,705,440.40/x
  3. Step 3: Cross multiply
    115,765,920.40x = 173,499,581.40 × 88,705,440.40
  4. Step 4: Simplify right side
    115,765,920.40x = 15,390,356,777,302,650
  5. Step 5: Solve for x
    x = 15,390,356,777,302,650/115,765,920.40
  6. Step 6: Final answer
    x = 132,943,760.34

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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.