Home / 160,472,718.52-221,462,932.64-89,913,985.72

Finding the Fourth Proportional to 160,472,718.52, 221,462,932.64 and 89,913,985.72

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Solution

The fourth proportional to 160,472,718.52, 221,462,932.64 and 89,913,985.72 is: 124,087,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,472,718.52 : 221,462,932.64 = 89,913,985.72 : x
  2. Step 2: Convert to fraction form
    160,472,718.52/221,462,932.64 = 89,913,985.72/x
  3. Step 3: Cross multiply
    160,472,718.52x = 221,462,932.64 × 89,913,985.72
  4. Step 4: Simplify right side
    160,472,718.52x = 19,912,614,962,902,280
  5. Step 5: Solve for x
    x = 19,912,614,962,902,280/160,472,718.52
  6. Step 6: Final answer
    x = 124,087,228.95

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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.