Home / 67,068,015.95-100,602,023.93-45,385,223.15

Finding the Fourth Proportional to 67,068,015.95, 100,602,023.93 and 45,385,223.15

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Solution

The fourth proportional to 67,068,015.95, 100,602,023.93 and 45,385,223.15 is: 68,077,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,015.95 : 100,602,023.93 = 45,385,223.15 : x
  2. Step 2: Convert to fraction form
    67,068,015.95/100,602,023.93 = 45,385,223.15/x
  3. Step 3: Cross multiply
    67,068,015.95x = 100,602,023.93 × 45,385,223.15
  4. Step 4: Simplify right side
    67,068,015.95x = 4,565,845,305,177,764
  5. Step 5: Solve for x
    x = 4,565,845,305,177,764/67,068,015.95
  6. Step 6: Final answer
    x = 68,077,834.73

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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.