Home / 76,187,913.91-105,138,743.02-41,380,853.46

Finding the Fourth Proportional to 76,187,913.91, 105,138,743.02 and 41,380,853.46

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Solution

The fourth proportional to 76,187,913.91, 105,138,743.02 and 41,380,853.46 is: 57,105,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187,913.91 : 105,138,743.02 = 41,380,853.46 : x
  2. Step 2: Convert to fraction form
    76,187,913.91/105,138,743.02 = 41,380,853.46/x
  3. Step 3: Cross multiply
    76,187,913.91x = 105,138,743.02 × 41,380,853.46
  4. Step 4: Simplify right side
    76,187,913.91x = 4,350,730,917,381,495
  5. Step 5: Solve for x
    x = 4,350,730,917,381,495/76,187,913.91
  6. Step 6: Final answer
    x = 57,105,263.74

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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.