Home / 84,461,459.40-126,646,003.89-67,065,761.22

Finding the Fourth Proportional to 84,461,459.40, 126,646,003.89 and 67,065,761.22

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Solution

The fourth proportional to 84,461,459.40, 126,646,003.89 and 67,065,761.22 is: 100,561,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,461,459.40 : 126,646,003.89 = 67,065,761.22 : x
  2. Step 2: Convert to fraction form
    84,461,459.40/126,646,003.89 = 67,065,761.22/x
  3. Step 3: Cross multiply
    84,461,459.40x = 126,646,003.89 × 67,065,761.22
  4. Step 4: Simplify right side
    84,461,459.40x = 8,493,610,656,353,931
  5. Step 5: Solve for x
    x = 8,493,610,656,353,931/84,461,459.40
  6. Step 6: Final answer
    x = 100,561,968.93

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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.