Home / 76,728,587.45-105,884,211.71-41,920,528.73

Finding the Fourth Proportional to 76,728,587.45, 105,884,211.71 and 41,920,528.73

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Solution

The fourth proportional to 76,728,587.45, 105,884,211.71 and 41,920,528.73 is: 57,849,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728,587.45 : 105,884,211.71 = 41,920,528.73 : x
  2. Step 2: Convert to fraction form
    76,728,587.45/105,884,211.71 = 41,920,528.73/x
  3. Step 3: Cross multiply
    76,728,587.45x = 105,884,211.71 × 41,920,528.73
  4. Step 4: Simplify right side
    76,728,587.45x = 4,438,722,138,832,854.50
  5. Step 5: Solve for x
    x = 4,438,722,138,832,854.50/76,728,587.45
  6. Step 6: Final answer
    x = 57,849,652.74

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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.