Home / 78,347,486.53-108,005,574.22-54,752,767.08

Finding the Fourth Proportional to 78,347,486.53, 108,005,574.22 and 54,752,767.08

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Solution

The fourth proportional to 78,347,486.53, 108,005,574.22 and 54,752,767.08 is: 75,479,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,347,486.53 : 108,005,574.22 = 54,752,767.08 : x
  2. Step 2: Convert to fraction form
    78,347,486.53/108,005,574.22 = 54,752,767.08/x
  3. Step 3: Cross multiply
    78,347,486.53x = 108,005,574.22 × 54,752,767.08
  4. Step 4: Simplify right side
    78,347,486.53x = 5,913,604,048,609,312
  5. Step 5: Solve for x
    x = 5,913,604,048,609,312/78,347,486.53
  6. Step 6: Final answer
    x = 75,479,180.13

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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.