Home / 74,871,818.60-112,307,727.90-71,092,682.60

Finding the Fourth Proportional to 74,871,818.60, 112,307,727.90 and 71,092,682.60

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Solution

The fourth proportional to 74,871,818.60, 112,307,727.90 and 71,092,682.60 is: 106,639,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,818.60 : 112,307,727.90 = 71,092,682.60 : x
  2. Step 2: Convert to fraction form
    74,871,818.60/112,307,727.90 = 71,092,682.60/x
  3. Step 3: Cross multiply
    74,871,818.60x = 112,307,727.90 × 71,092,682.60
  4. Step 4: Simplify right side
    74,871,818.60x = 7,984,257,653,121,864
  5. Step 5: Solve for x
    x = 7,984,257,653,121,864/74,871,818.60
  6. Step 6: Final answer
    x = 106,639,023.90

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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.