Home / 47,280,142.16-70,920,226.20-11,378,350.16

Finding the Fourth Proportional to 47,280,142.16, 70,920,226.20 and 11,378,350.16

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Solution

The fourth proportional to 47,280,142.16, 70,920,226.20 and 11,378,350.16 is: 17,067,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280,142.16 : 70,920,226.20 = 11,378,350.16 : x
  2. Step 2: Convert to fraction form
    47,280,142.16/70,920,226.20 = 11,378,350.16/x
  3. Step 3: Cross multiply
    47,280,142.16x = 70,920,226.20 × 11,378,350.16
  4. Step 4: Simplify right side
    47,280,142.16x = 806,955,167,130,006.25
  5. Step 5: Solve for x
    x = 806,955,167,130,006.25/47,280,142.16
  6. Step 6: Final answer
    x = 17,067,528.36

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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.