Home / 78,005,902.68-107,646,085.35-44,514,781.48

Finding the Fourth Proportional to 78,005,902.68, 107,646,085.35 and 44,514,781.48

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Solution

The fourth proportional to 78,005,902.68, 107,646,085.35 and 44,514,781.48 is: 61,429,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005,902.68 : 107,646,085.35 = 44,514,781.48 : x
  2. Step 2: Convert to fraction form
    78,005,902.68/107,646,085.35 = 44,514,781.48/x
  3. Step 3: Cross multiply
    78,005,902.68x = 107,646,085.35 × 44,514,781.48
  4. Step 4: Simplify right side
    78,005,902.68x = 4,791,841,966,667,237
  5. Step 5: Solve for x
    x = 4,791,841,966,667,237/78,005,902.68
  6. Step 6: Final answer
    x = 61,429,222.69

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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.