Home / 130,747,087.42-180,443,725.26-97,649,876.12

Finding the Fourth Proportional to 130,747,087.42, 180,443,725.26 and 97,649,876.12

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Solution

The fourth proportional to 130,747,087.42, 180,443,725.26 and 97,649,876.12 is: 134,766,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,747,087.42 : 180,443,725.26 = 97,649,876.12 : x
  2. Step 2: Convert to fraction form
    130,747,087.42/180,443,725.26 = 97,649,876.12/x
  3. Step 3: Cross multiply
    130,747,087.42x = 180,443,725.26 × 97,649,876.12
  4. Step 4: Simplify right side
    130,747,087.42x = 17,620,307,418,072,612
  5. Step 5: Solve for x
    x = 17,620,307,418,072,612/130,747,087.42
  6. Step 6: Final answer
    x = 134,766,347.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.