Home / 78,015,666.86-107,661,351.52-44,975,758.45

Finding the Fourth Proportional to 78,015,666.86, 107,661,351.52 and 44,975,758.45

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Solution

The fourth proportional to 78,015,666.86, 107,661,351.52 and 44,975,758.45 is: 62,066,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,015,666.86 : 107,661,351.52 = 44,975,758.45 : x
  2. Step 2: Convert to fraction form
    78,015,666.86/107,661,351.52 = 44,975,758.45/x
  3. Step 3: Cross multiply
    78,015,666.86x = 107,661,351.52 × 44,975,758.45
  4. Step 4: Simplify right side
    78,015,666.86x = 4,842,150,940,655,843
  5. Step 5: Solve for x
    x = 4,842,150,940,655,843/78,015,666.86
  6. Step 6: Final answer
    x = 62,066,391.74

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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.