Home / 161,725,521.70-242,588,282.55-144,257,515.30

Finding the Fourth Proportional to 161,725,521.70, 242,588,282.55 and 144,257,515.30

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Solution

The fourth proportional to 161,725,521.70, 242,588,282.55 and 144,257,515.30 is: 216,386,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725,521.70 : 242,588,282.55 = 144,257,515.30 : x
  2. Step 2: Convert to fraction form
    161,725,521.70/242,588,282.55 = 144,257,515.30/x
  3. Step 3: Cross multiply
    161,725,521.70x = 242,588,282.55 × 144,257,515.30
  4. Step 4: Simplify right side
    161,725,521.70x = 34,995,182,881,557,352
  5. Step 5: Solve for x
    x = 34,995,182,881,557,352/161,725,521.70
  6. Step 6: Final answer
    x = 216,386,272.95

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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.