Home / 77,669,015.59-107,223,540.06-56,737,547.47

Finding the Fourth Proportional to 77,669,015.59, 107,223,540.06 and 56,737,547.47

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Solution

The fourth proportional to 77,669,015.59, 107,223,540.06 and 56,737,547.47 is: 78,327,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,669,015.59 : 107,223,540.06 = 56,737,547.47 : x
  2. Step 2: Convert to fraction form
    77,669,015.59/107,223,540.06 = 56,737,547.47/x
  3. Step 3: Cross multiply
    77,669,015.59x = 107,223,540.06 × 56,737,547.47
  4. Step 4: Simplify right side
    77,669,015.59x = 6,083,600,694,055,697
  5. Step 5: Solve for x
    x = 6,083,600,694,055,697/77,669,015.59
  6. Step 6: Final answer
    x = 78,327,253.77

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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.