Home / 115,472,730.42-159,352,312.77-69,062,983.38

Finding the Fourth Proportional to 115,472,730.42, 159,352,312.77 and 69,062,983.38

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Solution

The fourth proportional to 115,472,730.42, 159,352,312.77 and 69,062,983.38 is: 95,306,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,472,730.42 : 159,352,312.77 = 69,062,983.38 : x
  2. Step 2: Convert to fraction form
    115,472,730.42/159,352,312.77 = 69,062,983.38/x
  3. Step 3: Cross multiply
    115,472,730.42x = 159,352,312.77 × 69,062,983.38
  4. Step 4: Simplify right side
    115,472,730.42x = 11,005,346,128,399,072
  5. Step 5: Solve for x
    x = 11,005,346,128,399,072/115,472,730.42
  6. Step 6: Final answer
    x = 95,306,884.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.