Home / 130,560,461.01-180,167,755.68-71,819,401.55

Finding the Fourth Proportional to 130,560,461.01, 180,167,755.68 and 71,819,401.55

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Solution

The fourth proportional to 130,560,461.01, 180,167,755.68 and 71,819,401.55 is: 99,107,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,560,461.01 : 180,167,755.68 = 71,819,401.55 : x
  2. Step 2: Convert to fraction form
    130,560,461.01/180,167,755.68 = 71,819,401.55/x
  3. Step 3: Cross multiply
    130,560,461.01x = 180,167,755.68 × 71,819,401.55
  4. Step 4: Simplify right side
    130,560,461.01x = 12,939,540,390,643,376
  5. Step 5: Solve for x
    x = 12,939,540,390,643,376/130,560,461.01
  6. Step 6: Final answer
    x = 99,107,649.36

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1.5x scale

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.