Home / 131,145,000.90-196,717,501.35-40,256,780.10

Finding the Fourth Proportional to 131,145,000.90, 196,717,501.35 and 40,256,780.10

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Solution

The fourth proportional to 131,145,000.90, 196,717,501.35 and 40,256,780.10 is: 60,385,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145,000.90 : 196,717,501.35 = 40,256,780.10 : x
  2. Step 2: Convert to fraction form
    131,145,000.90/196,717,501.35 = 40,256,780.10/x
  3. Step 3: Cross multiply
    131,145,000.90x = 196,717,501.35 × 40,256,780.10
  4. Step 4: Simplify right side
    131,145,000.90x = 7,919,213,193,668,403
  5. Step 5: Solve for x
    x = 7,919,213,193,668,403/131,145,000.90
  6. Step 6: Final answer
    x = 60,385,170.15

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1.5x scale

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.