Home / 76,841,375.67-106,041,939.75-42,034,066.47

Finding the Fourth Proportional to 76,841,375.67, 106,041,939.75 and 42,034,066.47

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Solution

The fourth proportional to 76,841,375.67, 106,041,939.75 and 42,034,066.47 is: 58,007,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,375.67 : 106,041,939.75 = 42,034,066.47 : x
  2. Step 2: Convert to fraction form
    76,841,375.67/106,041,939.75 = 42,034,066.47/x
  3. Step 3: Cross multiply
    76,841,375.67x = 106,041,939.75 × 42,034,066.47
  4. Step 4: Simplify right side
    76,841,375.67x = 4,457,373,944,059,235
  5. Step 5: Solve for x
    x = 4,457,373,944,059,235/76,841,375.67
  6. Step 6: Final answer
    x = 58,007,471.95

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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.