Home / 295,245,501.90-442,868,252.85-90,747,005.10

Finding the Fourth Proportional to 295,245,501.90, 442,868,252.85 and 90,747,005.10

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Solution

The fourth proportional to 295,245,501.90, 442,868,252.85 and 90,747,005.10 is: 136,120,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,501.90 : 442,868,252.85 = 90,747,005.10 : x
  2. Step 2: Convert to fraction form
    295,245,501.90/442,868,252.85 = 90,747,005.10/x
  3. Step 3: Cross multiply
    295,245,501.90x = 442,868,252.85 × 90,747,005.10
  4. Step 4: Simplify right side
    295,245,501.90x = 40,188,967,600,007,040
  5. Step 5: Solve for x
    x = 40,188,967,600,007,040/295,245,501.90
  6. Step 6: Final answer
    x = 136,120,507.65

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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.