Home / 76,733,060.52-105,962,340.60-49,278,818.46

Finding the Fourth Proportional to 76,733,060.52, 105,962,340.60 and 49,278,818.46

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Solution

The fourth proportional to 76,733,060.52, 105,962,340.60 and 49,278,818.46 is: 68,050,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,733,060.52 : 105,962,340.60 = 49,278,818.46 : x
  2. Step 2: Convert to fraction form
    76,733,060.52/105,962,340.60 = 49,278,818.46/x
  3. Step 3: Cross multiply
    76,733,060.52x = 105,962,340.60 × 49,278,818.46
  4. Step 4: Simplify right side
    76,733,060.52x = 5,221,698,946,024,087
  5. Step 5: Solve for x
    x = 5,221,698,946,024,087/76,733,060.52
  6. Step 6: Final answer
    x = 68,050,184.77

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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.