Home / 122,604,585.60-169,235,327.04-73,060,500.12

Finding the Fourth Proportional to 122,604,585.60, 169,235,327.04 and 73,060,500.12

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Solution

The fourth proportional to 122,604,585.60, 169,235,327.04 and 73,060,500.12 is: 100,847,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,604,585.60 : 169,235,327.04 = 73,060,500.12 : x
  2. Step 2: Convert to fraction form
    122,604,585.60/169,235,327.04 = 73,060,500.12/x
  3. Step 3: Cross multiply
    122,604,585.60x = 169,235,327.04 × 73,060,500.12
  4. Step 4: Simplify right side
    122,604,585.60x = 12,364,417,631,514,160
  5. Step 5: Solve for x
    x = 12,364,417,631,514,160/122,604,585.60
  6. Step 6: Final answer
    x = 100,847,921.56

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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.