Home / 80,852,707.45-121,279,061.18-44,447,030.65

Finding the Fourth Proportional to 80,852,707.45, 121,279,061.18 and 44,447,030.65

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Solution

The fourth proportional to 80,852,707.45, 121,279,061.18 and 44,447,030.65 is: 66,670,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,707.45 : 121,279,061.18 = 44,447,030.65 : x
  2. Step 2: Convert to fraction form
    80,852,707.45/121,279,061.18 = 44,447,030.65/x
  3. Step 3: Cross multiply
    80,852,707.45x = 121,279,061.18 × 44,447,030.65
  4. Step 4: Simplify right side
    80,852,707.45x = 5,390,494,149,470,685
  5. Step 5: Solve for x
    x = 5,390,494,149,470,685/80,852,707.45
  6. Step 6: Final answer
    x = 66,670,545.98

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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.