Home / 254,147,000.74-350,708,126.82-142,627,428.40

Finding the Fourth Proportional to 254,147,000.74, 350,708,126.82 and 142,627,428.40

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Solution

The fourth proportional to 254,147,000.74, 350,708,126.82 and 142,627,428.40 is: 196,817,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,147,000.74 : 350,708,126.82 = 142,627,428.40 : x
  2. Step 2: Convert to fraction form
    254,147,000.74/350,708,126.82 = 142,627,428.40/x
  3. Step 3: Cross multiply
    254,147,000.74x = 350,708,126.82 × 142,627,428.40
  4. Step 4: Simplify right side
    254,147,000.74x = 50,020,598,247,317,672
  5. Step 5: Solve for x
    x = 50,020,598,247,317,672/254,147,000.74
  6. Step 6: Final answer
    x = 196,817,582.35

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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.