Home / 103,364,954.20-142,649,990.94-56,955,196

Finding the Fourth Proportional to 103,364,954.20, 142,649,990.94 and 56,955,196

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Solution

The fourth proportional to 103,364,954.20, 142,649,990.94 and 56,955,196 is: 78,601,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364,954.20 : 142,649,990.94 = 56,955,196 : x
  2. Step 2: Convert to fraction form
    103,364,954.20/142,649,990.94 = 56,955,196/x
  3. Step 3: Cross multiply
    103,364,954.20x = 142,649,990.94 × 56,955,196
  4. Step 4: Simplify right side
    103,364,954.20x = 8,124,658,193,385,924
  5. Step 5: Solve for x
    x = 8,124,658,193,385,924/103,364,954.20
  6. Step 6: Final answer
    x = 78,601,671.68

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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.