Home / 160,472,719.52-221,462,934.02-89,913,986.72

Finding the Fourth Proportional to 160,472,719.52, 221,462,934.02 and 89,913,986.72

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Solution

The fourth proportional to 160,472,719.52, 221,462,934.02 and 89,913,986.72 is: 124,087,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,472,719.52 : 221,462,934.02 = 89,913,986.72 : x
  2. Step 2: Convert to fraction form
    160,472,719.52/221,462,934.02 = 89,913,986.72/x
  3. Step 3: Cross multiply
    160,472,719.52x = 221,462,934.02 × 89,913,986.72
  4. Step 4: Simplify right side
    160,472,719.52x = 19,912,615,308,446,516
  5. Step 5: Solve for x
    x = 19,912,615,308,446,516/160,472,719.52
  6. Step 6: Final answer
    x = 124,087,230.33

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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.