Home / 55,311,345.60-82,896,159.60-49,217,488.80

Finding the Fourth Proportional to 55,311,345.60, 82,896,159.60 and 49,217,488.80

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Solution

The fourth proportional to 55,311,345.60, 82,896,159.60 and 49,217,488.80 is: 73,763,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311,345.60 : 82,896,159.60 = 49,217,488.80 : x
  2. Step 2: Convert to fraction form
    55,311,345.60/82,896,159.60 = 49,217,488.80/x
  3. Step 3: Cross multiply
    55,311,345.60x = 82,896,159.60 × 49,217,488.80
  4. Step 4: Simplify right side
    55,311,345.60x = 4,079,940,806,676,012
  5. Step 5: Solve for x
    x = 4,079,940,806,676,012/55,311,345.60
  6. Step 6: Final answer
    x = 73,763,181.18

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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.