Home / 113,527,216.80-170,290,825.20-77,695,408.80

Finding the Fourth Proportional to 113,527,216.80, 170,290,825.20 and 77,695,408.80

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Solution

The fourth proportional to 113,527,216.80, 170,290,825.20 and 77,695,408.80 is: 116,543,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,527,216.80 : 170,290,825.20 = 77,695,408.80 : x
  2. Step 2: Convert to fraction form
    113,527,216.80/170,290,825.20 = 77,695,408.80/x
  3. Step 3: Cross multiply
    113,527,216.80x = 170,290,825.20 × 77,695,408.80
  4. Step 4: Simplify right side
    113,527,216.80x = 13,230,815,278,803,340
  5. Step 5: Solve for x
    x = 13,230,815,278,803,340/113,527,216.80
  6. Step 6: Final answer
    x = 116,543,113.20

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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.