Home / 144,523,963.65-216,751,234.45-66,726,119.34

Finding the Fourth Proportional to 144,523,963.65, 216,751,234.45 and 66,726,119.34

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Solution

The fourth proportional to 144,523,963.65, 216,751,234.45 and 66,726,119.34 is: 100,073,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,523,963.65 : 216,751,234.45 = 66,726,119.34 : x
  2. Step 2: Convert to fraction form
    144,523,963.65/216,751,234.45 = 66,726,119.34/x
  3. Step 3: Cross multiply
    144,523,963.65x = 216,751,234.45 × 66,726,119.34
  4. Step 4: Simplify right side
    144,523,963.65x = 14,462,968,737,003,020
  5. Step 5: Solve for x
    x = 14,462,968,737,003,020/144,523,963.65
  6. Step 6: Final answer
    x = 100,073,153.07

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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.