Home / 160,756,873.28-221,837,788.32-91,146,959.36

Finding the Fourth Proportional to 160,756,873.28, 221,837,788.32 and 91,146,959.36

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Solution

The fourth proportional to 160,756,873.28, 221,837,788.32 and 91,146,959.36 is: 125,779,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,756,873.28 : 221,837,788.32 = 91,146,959.36 : x
  2. Step 2: Convert to fraction form
    160,756,873.28/221,837,788.32 = 91,146,959.36/x
  3. Step 3: Cross multiply
    160,756,873.28x = 221,837,788.32 × 91,146,959.36
  4. Step 4: Simplify right side
    160,756,873.28x = 20,219,839,876,515,320
  5. Step 5: Solve for x
    x = 20,219,839,876,515,320/160,756,873.28
  6. Step 6: Final answer
    x = 125,779,006.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.