Home / 131,148,672.90-196,723,009.35-40,260,452.10

Finding the Fourth Proportional to 131,148,672.90, 196,723,009.35 and 40,260,452.10

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Solution

The fourth proportional to 131,148,672.90, 196,723,009.35 and 40,260,452.10 is: 60,390,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148,672.90 : 196,723,009.35 = 40,260,452.10 : x
  2. Step 2: Convert to fraction form
    131,148,672.90/196,723,009.35 = 40,260,452.10/x
  3. Step 3: Cross multiply
    131,148,672.90x = 196,723,009.35 × 40,260,452.10
  4. Step 4: Simplify right side
    131,148,672.90x = 7,920,157,294,903,527
  5. Step 5: Solve for x
    x = 7,920,157,294,903,527/131,148,672.90
  6. Step 6: Final answer
    x = 60,390,678.15

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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.