Home / 259,247,874.60-357,754,989.06-143,350,407.72

Finding the Fourth Proportional to 259,247,874.60, 357,754,989.06 and 143,350,407.72

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Solution

The fourth proportional to 259,247,874.60, 357,754,989.06 and 143,350,407.72 is: 197,819,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,247,874.60 : 357,754,989.06 = 143,350,407.72 : x
  2. Step 2: Convert to fraction form
    259,247,874.60/357,754,989.06 = 143,350,407.72/x
  3. Step 3: Cross multiply
    259,247,874.60x = 357,754,989.06 × 143,350,407.72
  4. Step 4: Simplify right side
    259,247,874.60x = 51,284,323,545,615,136
  5. Step 5: Solve for x
    x = 51,284,323,545,615,136/259,247,874.60
  6. Step 6: Final answer
    x = 197,819,648.95

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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.