Home / 113,571,008.20-170,356,512.30-72,756,339.40

Finding the Fourth Proportional to 113,571,008.20, 170,356,512.30 and 72,756,339.40

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Solution

The fourth proportional to 113,571,008.20, 170,356,512.30 and 72,756,339.40 is: 109,134,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,571,008.20 : 170,356,512.30 = 72,756,339.40 : x
  2. Step 2: Convert to fraction form
    113,571,008.20/170,356,512.30 = 72,756,339.40/x
  3. Step 3: Cross multiply
    113,571,008.20x = 170,356,512.30 × 72,756,339.40
  4. Step 4: Simplify right side
    113,571,008.20x = 12,394,516,227,899,076
  5. Step 5: Solve for x
    x = 12,394,516,227,899,076/113,571,008.20
  6. Step 6: Final answer
    x = 109,134,509.10

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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.