Home / 117,456,081.60-175,835,757.60-87,297,643.20

Finding the Fourth Proportional to 117,456,081.60, 175,835,757.60 and 87,297,643.20

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Solution

The fourth proportional to 117,456,081.60, 175,835,757.60 and 87,297,643.20 is: 130,687,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,456,081.60 : 175,835,757.60 = 87,297,643.20 : x
  2. Step 2: Convert to fraction form
    117,456,081.60/175,835,757.60 = 87,297,643.20/x
  3. Step 3: Cross multiply
    117,456,081.60x = 175,835,757.60 × 87,297,643.20
  4. Step 4: Simplify right side
    117,456,081.60x = 15,350,047,228,766,488
  5. Step 5: Solve for x
    x = 15,350,047,228,766,488/117,456,081.60
  6. Step 6: Final answer
    x = 130,687,547.38

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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.