Home / 80,475,947.11-111,050,475.20-45,668,637.21

Finding the Fourth Proportional to 80,475,947.11, 111,050,475.20 and 45,668,637.21

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Solution

The fourth proportional to 80,475,947.11, 111,050,475.20 and 45,668,637.21 is: 63,019,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475,947.11 : 111,050,475.20 = 45,668,637.21 : x
  2. Step 2: Convert to fraction form
    80,475,947.11/111,050,475.20 = 45,668,637.21/x
  3. Step 3: Cross multiply
    80,475,947.11x = 111,050,475.20 × 45,668,637.21
  4. Step 4: Simplify right side
    80,475,947.11x = 5,071,523,863,351,650
  5. Step 5: Solve for x
    x = 5,071,523,863,351,650/80,475,947.11
  6. Step 6: Final answer
    x = 63,019,126.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.