Home / 276,521,312.68-414,492,236.17-128,847,122.93

Finding the Fourth Proportional to 276,521,312.68, 414,492,236.17 and 128,847,122.93

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Solution

The fourth proportional to 276,521,312.68, 414,492,236.17 and 128,847,122.93 is: 193,135,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,521,312.68 : 414,492,236.17 = 128,847,122.93 : x
  2. Step 2: Convert to fraction form
    276,521,312.68/414,492,236.17 = 128,847,122.93/x
  3. Step 3: Cross multiply
    276,521,312.68x = 414,492,236.17 × 128,847,122.93
  4. Step 4: Simplify right side
    276,521,312.68x = 53,406,132,108,040,696
  5. Step 5: Solve for x
    x = 53,406,132,108,040,696/276,521,312.68
  6. Step 6: Final answer
    x = 193,135,681.26

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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.