Home / 207,776,117.10-311,664,175.65-54,437,673.90

Finding the Fourth Proportional to 207,776,117.10, 311,664,175.65 and 54,437,673.90

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Solution

The fourth proportional to 207,776,117.10, 311,664,175.65 and 54,437,673.90 is: 81,656,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,776,117.10 : 311,664,175.65 = 54,437,673.90 : x
  2. Step 2: Convert to fraction form
    207,776,117.10/311,664,175.65 = 54,437,673.90/x
  3. Step 3: Cross multiply
    207,776,117.10x = 311,664,175.65 × 54,437,673.90
  4. Step 4: Simplify right side
    207,776,117.10x = 16,966,272,760,347,018
  5. Step 5: Solve for x
    x = 16,966,272,760,347,018/207,776,117.10
  6. Step 6: Final answer
    x = 81,656,510.85

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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.