Home / 107,851,211.40-161,776,817.10-89,915,077.65

Finding the Fourth Proportional to 107,851,211.40, 161,776,817.10 and 89,915,077.65

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Solution

The fourth proportional to 107,851,211.40, 161,776,817.10 and 89,915,077.65 is: 134,872,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851,211.40 : 161,776,817.10 = 89,915,077.65 : x
  2. Step 2: Convert to fraction form
    107,851,211.40/161,776,817.10 = 89,915,077.65/x
  3. Step 3: Cross multiply
    107,851,211.40x = 161,776,817.10 × 89,915,077.65
  4. Step 4: Simplify right side
    107,851,211.40x = 14,546,175,071,516,348
  5. Step 5: Solve for x
    x = 14,546,175,071,516,348/107,851,211.40
  6. Step 6: Final answer
    x = 134,872,616.48

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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.