Home / 131,520,020.40-197,280,030.60-35,781,908.40

Finding the Fourth Proportional to 131,520,020.40, 197,280,030.60 and 35,781,908.40

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Solution

The fourth proportional to 131,520,020.40, 197,280,030.60 and 35,781,908.40 is: 53,672,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520,020.40 : 197,280,030.60 = 35,781,908.40 : x
  2. Step 2: Convert to fraction form
    131,520,020.40/197,280,030.60 = 35,781,908.40/x
  3. Step 3: Cross multiply
    131,520,020.40x = 197,280,030.60 × 35,781,908.40
  4. Step 4: Simplify right side
    131,520,020.40x = 7,059,055,984,078,397
  5. Step 5: Solve for x
    x = 7,059,055,984,078,397/131,520,020.40
  6. Step 6: Final answer
    x = 53,672,862.60

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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.