Home / 131,061,775.20-196,341,987.60-70,457,359.20

Finding the Fourth Proportional to 131,061,775.20, 196,341,987.60 and 70,457,359.20

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Solution

The fourth proportional to 131,061,775.20, 196,341,987.60 and 70,457,359.20 is: 105,551,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,061,775.20 : 196,341,987.60 = 70,457,359.20 : x
  2. Step 2: Convert to fraction form
    131,061,775.20/196,341,987.60 = 70,457,359.20/x
  3. Step 3: Cross multiply
    131,061,775.20x = 196,341,987.60 × 70,457,359.20
  4. Step 4: Simplify right side
    131,061,775.20x = 13,833,737,946,375,146
  5. Step 5: Solve for x
    x = 13,833,737,946,375,146/131,061,775.20
  6. Step 6: Final answer
    x = 105,551,278.59

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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.