Home / 243,578,065.10-365,367,097.65-191,921,999.90

Finding the Fourth Proportional to 243,578,065.10, 365,367,097.65 and 191,921,999.90

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Solution

The fourth proportional to 243,578,065.10, 365,367,097.65 and 191,921,999.90 is: 287,882,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,065.10 : 365,367,097.65 = 191,921,999.90 : x
  2. Step 2: Convert to fraction form
    243,578,065.10/365,367,097.65 = 191,921,999.90/x
  3. Step 3: Cross multiply
    243,578,065.10x = 365,367,097.65 × 191,921,999.90
  4. Step 4: Simplify right side
    243,578,065.10x = 70,121,984,078,646,584
  5. Step 5: Solve for x
    x = 70,121,984,078,646,584/243,578,065.10
  6. Step 6: Final answer
    x = 287,882,999.85

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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.