Home / 215,449,065.59-323,218,992.06-69,871,275.72

Finding the Fourth Proportional to 215,449,065.59, 323,218,992.06 and 69,871,275.72

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Solution

The fourth proportional to 215,449,065.59, 323,218,992.06 and 69,871,275.72 is: 104,821,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,449,065.59 : 323,218,992.06 = 69,871,275.72 : x
  2. Step 2: Convert to fraction form
    215,449,065.59/323,218,992.06 = 69,871,275.72/x
  3. Step 3: Cross multiply
    215,449,065.59x = 323,218,992.06 × 69,871,275.72
  4. Step 4: Simplify right side
    215,449,065.59x = 22,583,723,312,164,752
  5. Step 5: Solve for x
    x = 22,583,723,312,164,752/215,449,065.59
  6. Step 6: Final answer
    x = 104,821,634.99

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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.