Home / 173,880,018.40-260,820,027.60-130,514,432.80

Finding the Fourth Proportional to 173,880,018.40, 260,820,027.60 and 130,514,432.80

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Solution

The fourth proportional to 173,880,018.40, 260,820,027.60 and 130,514,432.80 is: 195,771,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,880,018.40 : 260,820,027.60 = 130,514,432.80 : x
  2. Step 2: Convert to fraction form
    173,880,018.40/260,820,027.60 = 130,514,432.80/x
  3. Step 3: Cross multiply
    173,880,018.40x = 260,820,027.60 × 130,514,432.80
  4. Step 4: Simplify right side
    173,880,018.40x = 34,040,777,965,094,344
  5. Step 5: Solve for x
    x = 34,040,777,965,094,344/173,880,018.40
  6. Step 6: Final answer
    x = 195,771,649.20

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Similar ratio
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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.