Home / 83,943,071.39-115,841,678.37-48,667,731.77

Finding the Fourth Proportional to 83,943,071.39, 115,841,678.37 and 48,667,731.77

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Solution

The fourth proportional to 83,943,071.39, 115,841,678.37 and 48,667,731.77 is: 67,161,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,943,071.39 : 115,841,678.37 = 48,667,731.77 : x
  2. Step 2: Convert to fraction form
    83,943,071.39/115,841,678.37 = 48,667,731.77/x
  3. Step 3: Cross multiply
    83,943,071.39x = 115,841,678.37 × 48,667,731.77
  4. Step 4: Simplify right side
    83,943,071.39x = 5,637,751,730,697,771
  5. Step 5: Solve for x
    x = 5,637,751,730,697,771/83,943,071.39
  6. Step 6: Final answer
    x = 67,161,608.90

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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.