Home / 257,359,700.52-385,822,578.51-111,683,521.17

Finding the Fourth Proportional to 257,359,700.52, 385,822,578.51 and 111,683,521.17

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Solution

The fourth proportional to 257,359,700.52, 385,822,578.51 and 111,683,521.17 is: 167,431,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,359,700.52 : 385,822,578.51 = 111,683,521.17 : x
  2. Step 2: Convert to fraction form
    257,359,700.52/385,822,578.51 = 111,683,521.17/x
  3. Step 3: Cross multiply
    257,359,700.52x = 385,822,578.51 × 111,683,521.17
  4. Step 4: Simplify right side
    257,359,700.52x = 43,090,024,114,885,568
  5. Step 5: Solve for x
    x = 43,090,024,114,885,568/257,359,700.52
  6. Step 6: Final answer
    x = 167,431,124.72

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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.