Home / 76,655,630.38-105,780,768.63-41,841,594.76

Finding the Fourth Proportional to 76,655,630.38, 105,780,768.63 and 41,841,594.76

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Solution

The fourth proportional to 76,655,630.38, 105,780,768.63 and 41,841,594.76 is: 57,739,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,655,630.38 : 105,780,768.63 = 41,841,594.76 : x
  2. Step 2: Convert to fraction form
    76,655,630.38/105,780,768.63 = 41,841,594.76/x
  3. Step 3: Cross multiply
    76,655,630.38x = 105,780,768.63 × 41,841,594.76
  4. Step 4: Simplify right side
    76,655,630.38x = 4,426,036,054,417,780
  5. Step 5: Solve for x
    x = 4,426,036,054,417,780/76,655,630.38
  6. Step 6: Final answer
    x = 57,739,216.71

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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.