Home / 102,545,642.54-141,512,975.83-55,502,707.66

Finding the Fourth Proportional to 102,545,642.54, 141,512,975.83 and 55,502,707.66

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Solution

The fourth proportional to 102,545,642.54, 141,512,975.83 and 55,502,707.66 is: 76,593,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,642.54 : 141,512,975.83 = 55,502,707.66 : x
  2. Step 2: Convert to fraction form
    102,545,642.54/141,512,975.83 = 55,502,707.66/x
  3. Step 3: Cross multiply
    102,545,642.54x = 141,512,975.83 × 55,502,707.66
  4. Step 4: Simplify right side
    102,545,642.54x = 7,854,353,327,788,818
  5. Step 5: Solve for x
    x = 7,854,353,327,788,818/102,545,642.54
  6. Step 6: Final answer
    x = 76,593,730.69

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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.