Home / 342,553,030.40-513,680,246.40-138,013,126.40

Finding the Fourth Proportional to 342,553,030.40, 513,680,246.40 and 138,013,126.40

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Solution

The fourth proportional to 342,553,030.40, 513,680,246.40 and 138,013,126.40 is: 206,959,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,553,030.40 : 513,680,246.40 = 138,013,126.40 : x
  2. Step 2: Convert to fraction form
    342,553,030.40/513,680,246.40 = 138,013,126.40/x
  3. Step 3: Cross multiply
    342,553,030.40x = 513,680,246.40 × 138,013,126.40
  4. Step 4: Simplify right side
    342,553,030.40x = 70,894,616,775,586,344
  5. Step 5: Solve for x
    x = 70,894,616,775,586,344/342,553,030.40
  6. Step 6: Final answer
    x = 206,959,537.60

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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.