Home / 130,206,374.18-179,833,925.76-85,751,071.82

Finding the Fourth Proportional to 130,206,374.18, 179,833,925.76 and 85,751,071.82

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Solution

The fourth proportional to 130,206,374.18, 179,833,925.76 and 85,751,071.82 is: 118,434,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,206,374.18 : 179,833,925.76 = 85,751,071.82 : x
  2. Step 2: Convert to fraction form
    130,206,374.18/179,833,925.76 = 85,751,071.82/x
  3. Step 3: Cross multiply
    130,206,374.18x = 179,833,925.76 × 85,751,071.82
  4. Step 4: Simplify right side
    130,206,374.18x = 15,420,951,883,518,306
  5. Step 5: Solve for x
    x = 15,420,951,883,518,306/130,206,374.18
  6. Step 6: Final answer
    x = 118,434,692.47

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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.