Home / 107,681,863.40-161,522,795.10-64,683,693.80

Finding the Fourth Proportional to 107,681,863.40, 161,522,795.10 and 64,683,693.80

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Solution

The fourth proportional to 107,681,863.40, 161,522,795.10 and 64,683,693.80 is: 97,025,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681,863.40 : 161,522,795.10 = 64,683,693.80 : x
  2. Step 2: Convert to fraction form
    107,681,863.40/161,522,795.10 = 64,683,693.80/x
  3. Step 3: Cross multiply
    107,681,863.40x = 161,522,795.10 × 64,683,693.80
  4. Step 4: Simplify right side
    107,681,863.40x = 10,447,891,019,968,540
  5. Step 5: Solve for x
    x = 10,447,891,019,968,540/107,681,863.40
  6. Step 6: Final answer
    x = 97,025,540.70

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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.