Home / 130,408,020.80-195,612,031.20-120,554,273.60

Finding the Fourth Proportional to 130,408,020.80, 195,612,031.20 and 120,554,273.60

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Solution

The fourth proportional to 130,408,020.80, 195,612,031.20 and 120,554,273.60 is: 180,831,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,020.80 : 195,612,031.20 = 120,554,273.60 : x
  2. Step 2: Convert to fraction form
    130,408,020.80/195,612,031.20 = 120,554,273.60/x
  3. Step 3: Cross multiply
    130,408,020.80x = 195,612,031.20 × 120,554,273.60
  4. Step 4: Simplify right side
    130,408,020.80x = 23,581,866,328,736,532
  5. Step 5: Solve for x
    x = 23,581,866,328,736,532/130,408,020.80
  6. Step 6: Final answer
    x = 180,831,410.40

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1.5x scale

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.