Home / 115,184,472.40-172,776,708.60-84,573,470.80

Finding the Fourth Proportional to 115,184,472.40, 172,776,708.60 and 84,573,470.80

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Solution

The fourth proportional to 115,184,472.40, 172,776,708.60 and 84,573,470.80 is: 126,860,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184,472.40 : 172,776,708.60 = 84,573,470.80 : x
  2. Step 2: Convert to fraction form
    115,184,472.40/172,776,708.60 = 84,573,470.80/x
  3. Step 3: Cross multiply
    115,184,472.40x = 172,776,708.60 × 84,573,470.80
  4. Step 4: Simplify right side
    115,184,472.40x = 14,612,325,919,702,208
  5. Step 5: Solve for x
    x = 14,612,325,919,702,208/115,184,472.40
  6. Step 6: Final answer
    x = 126,860,206.20

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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.