Home / 94,234,139.20-141,351,208.80-85,164,212.80

Finding the Fourth Proportional to 94,234,139.20, 141,351,208.80 and 85,164,212.80

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Solution

The fourth proportional to 94,234,139.20, 141,351,208.80 and 85,164,212.80 is: 127,746,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,234,139.20 : 141,351,208.80 = 85,164,212.80 : x
  2. Step 2: Convert to fraction form
    94,234,139.20/141,351,208.80 = 85,164,212.80/x
  3. Step 3: Cross multiply
    94,234,139.20x = 141,351,208.80 × 85,164,212.80
  4. Step 4: Simplify right side
    94,234,139.20x = 12,038,064,425,780,434
  5. Step 5: Solve for x
    x = 12,038,064,425,780,434/94,234,139.20
  6. Step 6: Final answer
    x = 127,746,319.20

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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.