Home / 78,328,724.94-108,087,143.40-43,044,674.76

Finding the Fourth Proportional to 78,328,724.94, 108,087,143.40 and 43,044,674.76

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Solution

The fourth proportional to 78,328,724.94, 108,087,143.40 and 43,044,674.76 is: 59,398,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,328,724.94 : 108,087,143.40 = 43,044,674.76 : x
  2. Step 2: Convert to fraction form
    78,328,724.94/108,087,143.40 = 43,044,674.76/x
  3. Step 3: Cross multiply
    78,328,724.94x = 108,087,143.40 × 43,044,674.76
  4. Step 4: Simplify right side
    78,328,724.94x = 4,652,575,933,390,481
  5. Step 5: Solve for x
    x = 4,652,575,933,390,481/78,328,724.94
  6. Step 6: Final answer
    x = 59,398,080.81

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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.