Home / 76,846,726.62-106,049,319.78-42,038,669.76

Finding the Fourth Proportional to 76,846,726.62, 106,049,319.78 and 42,038,669.76

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Solution

The fourth proportional to 76,846,726.62, 106,049,319.78 and 42,038,669.76 is: 58,013,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,846,726.62 : 106,049,319.78 = 42,038,669.76 : x
  2. Step 2: Convert to fraction form
    76,846,726.62/106,049,319.78 = 42,038,669.76/x
  3. Step 3: Cross multiply
    76,846,726.62x = 106,049,319.78 × 42,038,669.76
  4. Step 4: Simplify right side
    76,846,726.62x = 4,458,172,332,504,055.50
  5. Step 5: Solve for x
    x = 4,458,172,332,504,055.50/76,846,726.62
  6. Step 6: Final answer
    x = 58,013,822.17

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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.