Home / 113,003,996.40-169,631,965.80-61,985,660.40

Finding the Fourth Proportional to 113,003,996.40, 169,631,965.80 and 61,985,660.40

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Solution

The fourth proportional to 113,003,996.40, 169,631,965.80 and 61,985,660.40 is: 93,047,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,003,996.40 : 169,631,965.80 = 61,985,660.40 : x
  2. Step 2: Convert to fraction form
    113,003,996.40/169,631,965.80 = 61,985,660.40/x
  3. Step 3: Cross multiply
    113,003,996.40x = 169,631,965.80 × 61,985,660.40
  4. Step 4: Simplify right side
    113,003,996.40x = 10,514,749,425,063,214
  5. Step 5: Solve for x
    x = 10,514,749,425,063,214/113,003,996.40
  6. Step 6: Final answer
    x = 93,047,589.11

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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.