Home / 80,962,506.77-111,718,657.78-45,678,254.87

Finding the Fourth Proportional to 80,962,506.77, 111,718,657.78 and 45,678,254.87

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Solution

The fourth proportional to 80,962,506.77, 111,718,657.78 and 45,678,254.87 is: 63,030,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962,506.77 : 111,718,657.78 = 45,678,254.87 : x
  2. Step 2: Convert to fraction form
    80,962,506.77/111,718,657.78 = 45,678,254.87/x
  3. Step 3: Cross multiply
    80,962,506.77x = 111,718,657.78 × 45,678,254.87
  4. Step 4: Simplify right side
    80,962,506.77x = 5,103,113,323,974,250
  5. Step 5: Solve for x
    x = 5,103,113,323,974,250/80,962,506.77
  6. Step 6: Final answer
    x = 63,030,574.62

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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.