Home / 113,526,818.80-170,290,228.20-77,695,010.80

Finding the Fourth Proportional to 113,526,818.80, 170,290,228.20 and 77,695,010.80

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Solution

The fourth proportional to 113,526,818.80, 170,290,228.20 and 77,695,010.80 is: 116,542,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,526,818.80 : 170,290,228.20 = 77,695,010.80 : x
  2. Step 2: Convert to fraction form
    113,526,818.80/170,290,228.20 = 77,695,010.80/x
  3. Step 3: Cross multiply
    113,526,818.80x = 170,290,228.20 × 77,695,010.80
  4. Step 4: Simplify right side
    113,526,818.80x = 13,230,701,119,133,464
  5. Step 5: Solve for x
    x = 13,230,701,119,133,464/113,526,818.80
  6. Step 6: Final answer
    x = 116,542,516.20

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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.