Home / 77,701,124.18-107,224,740.96-42,893,067.26

Finding the Fourth Proportional to 77,701,124.18, 107,224,740.96 and 42,893,067.26

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Solution

The fourth proportional to 77,701,124.18, 107,224,740.96 and 42,893,067.26 is: 59,190,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701,124.18 : 107,224,740.96 = 42,893,067.26 : x
  2. Step 2: Convert to fraction form
    77,701,124.18/107,224,740.96 = 42,893,067.26/x
  3. Step 3: Cross multiply
    77,701,124.18x = 107,224,740.96 × 42,893,067.26
  4. Step 4: Simplify right side
    77,701,124.18x = 4,599,198,025,933,356
  5. Step 5: Solve for x
    x = 4,599,198,025,933,356/77,701,124.18
  6. Step 6: Final answer
    x = 59,190,881.40

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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.