Home / 107,832,480.40-161,748,720.60-67,017,811.60

Finding the Fourth Proportional to 107,832,480.40, 161,748,720.60 and 67,017,811.60

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Solution

The fourth proportional to 107,832,480.40, 161,748,720.60 and 67,017,811.60 is: 100,526,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,832,480.40 : 161,748,720.60 = 67,017,811.60 : x
  2. Step 2: Convert to fraction form
    107,832,480.40/161,748,720.60 = 67,017,811.60/x
  3. Step 3: Cross multiply
    107,832,480.40x = 161,748,720.60 × 67,017,811.60
  4. Step 4: Simplify right side
    107,832,480.40x = 10,840,045,283,711,838
  5. Step 5: Solve for x
    x = 10,840,045,283,711,838/107,832,480.40
  6. Step 6: Final answer
    x = 100,526,717.40

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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.