Home / 103,255,336.61-142,487,239.07-56,844,594.08

Finding the Fourth Proportional to 103,255,336.61, 142,487,239.07 and 56,844,594.08

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Solution

The fourth proportional to 103,255,336.61, 142,487,239.07 and 56,844,594.08 is: 78,442,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255,336.61 : 142,487,239.07 = 56,844,594.08 : x
  2. Step 2: Convert to fraction form
    103,255,336.61/142,487,239.07 = 56,844,594.08/x
  3. Step 3: Cross multiply
    103,255,336.61x = 142,487,239.07 × 56,844,594.08
  4. Step 4: Simplify right side
    103,255,336.61x = 8,099,629,265,517,408
  5. Step 5: Solve for x
    x = 8,099,629,265,517,408/103,255,336.61
  6. Step 6: Final answer
    x = 78,442,718.14

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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.