Home / 130,312,827.20-195,419,474.40-39,406,203.20

Finding the Fourth Proportional to 130,312,827.20, 195,419,474.40 and 39,406,203.20

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Solution

The fourth proportional to 130,312,827.20, 195,419,474.40 and 39,406,203.20 is: 59,094,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312,827.20 : 195,419,474.40 = 39,406,203.20 : x
  2. Step 2: Convert to fraction form
    130,312,827.20/195,419,474.40 = 39,406,203.20/x
  3. Step 3: Cross multiply
    130,312,827.20x = 195,419,474.40 × 39,406,203.20
  4. Step 4: Simplify right side
    130,312,827.20x = 7,700,739,517,443,599
  5. Step 5: Solve for x
    x = 7,700,739,517,443,599/130,312,827.20
  6. Step 6: Final answer
    x = 59,094,255.59

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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.