Home / 99,633,676.80-149,397,371.10-42,060,901.80

Finding the Fourth Proportional to 99,633,676.80, 149,397,371.10 and 42,060,901.80

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Solution

The fourth proportional to 99,633,676.80, 149,397,371.10 and 42,060,901.80 is: 63,068,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633,676.80 : 149,397,371.10 = 42,060,901.80 : x
  2. Step 2: Convert to fraction form
    99,633,676.80/149,397,371.10 = 42,060,901.80/x
  3. Step 3: Cross multiply
    99,633,676.80x = 149,397,371.10 × 42,060,901.80
  4. Step 4: Simplify right side
    99,633,676.80x = 6,283,788,155,015,257
  5. Step 5: Solve for x
    x = 6,283,788,155,015,257/99,633,676.80
  6. Step 6: Final answer
    x = 63,068,917.63

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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.