Home / 107,681,898.40-161,522,847.60-64,683,728.80

Finding the Fourth Proportional to 107,681,898.40, 161,522,847.60 and 64,683,728.80

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Solution

The fourth proportional to 107,681,898.40, 161,522,847.60 and 64,683,728.80 is: 97,025,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681,898.40 : 161,522,847.60 = 64,683,728.80 : x
  2. Step 2: Convert to fraction form
    107,681,898.40/161,522,847.60 = 64,683,728.80/x
  3. Step 3: Cross multiply
    107,681,898.40x = 161,522,847.60 × 64,683,728.80
  4. Step 4: Simplify right side
    107,681,898.40x = 10,447,900,069,162,130
  5. Step 5: Solve for x
    x = 10,447,900,069,162,130/107,681,898.40
  6. Step 6: Final answer
    x = 97,025,593.20

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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.