Home / 151,696,122.18-209,304,242.91-92,156,228.16

Finding the Fourth Proportional to 151,696,122.18, 209,304,242.91 and 92,156,228.16

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Solution

The fourth proportional to 151,696,122.18, 209,304,242.91 and 92,156,228.16 is: 127,153,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,696,122.18 : 209,304,242.91 = 92,156,228.16 : x
  2. Step 2: Convert to fraction form
    151,696,122.18/209,304,242.91 = 92,156,228.16/x
  3. Step 3: Cross multiply
    151,696,122.18x = 209,304,242.91 × 92,156,228.16
  4. Step 4: Simplify right side
    151,696,122.18x = 19,288,689,564,470,020
  5. Step 5: Solve for x
    x = 19,288,689,564,470,020/151,696,122.18
  6. Step 6: Final answer
    x = 127,153,478.20

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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.