Home / 115,739,288.54-159,852,776.52-76,223,463.55

Finding the Fourth Proportional to 115,739,288.54, 159,852,776.52 and 76,223,463.55

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Solution

The fourth proportional to 115,739,288.54, 159,852,776.52 and 76,223,463.55 is: 105,275,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739,288.54 : 159,852,776.52 = 76,223,463.55 : x
  2. Step 2: Convert to fraction form
    115,739,288.54/159,852,776.52 = 76,223,463.55/x
  3. Step 3: Cross multiply
    115,739,288.54x = 159,852,776.52 × 76,223,463.55
  4. Step 4: Simplify right side
    115,739,288.54x = 12,184,532,283,895,582
  5. Step 5: Solve for x
    x = 12,184,532,283,895,582/115,739,288.54
  6. Step 6: Final answer
    x = 105,275,679.83

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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.