Home / 160,553,521.71-221,569,950.52-89,990,436.11

Finding the Fourth Proportional to 160,553,521.71, 221,569,950.52 and 89,990,436.11

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Solution

The fourth proportional to 160,553,521.71, 221,569,950.52 and 89,990,436.11 is: 124,190,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,553,521.71 : 221,569,950.52 = 89,990,436.11 : x
  2. Step 2: Convert to fraction form
    160,553,521.71/221,569,950.52 = 89,990,436.11/x
  3. Step 3: Cross multiply
    160,553,521.71x = 221,569,950.52 × 89,990,436.11
  4. Step 4: Simplify right side
    160,553,521.71x = 19,939,176,475,170,560
  5. Step 5: Solve for x
    x = 19,939,176,475,170,560/160,553,521.71
  6. Step 6: Final answer
    x = 124,190,215.59

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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.