Home / 103,364,953.20-142,649,989.56-56,955,195

Finding the Fourth Proportional to 103,364,953.20, 142,649,989.56 and 56,955,195

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Solution

The fourth proportional to 103,364,953.20, 142,649,989.56 and 56,955,195 is: 78,601,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364,953.20 : 142,649,989.56 = 56,955,195 : x
  2. Step 2: Convert to fraction form
    103,364,953.20/142,649,989.56 = 56,955,195/x
  3. Step 3: Cross multiply
    103,364,953.20x = 142,649,989.56 × 56,955,195
  4. Step 4: Simplify right side
    103,364,953.20x = 8,124,657,972,137,764
  5. Step 5: Solve for x
    x = 8,124,657,972,137,764/103,364,953.20
  6. Step 6: Final answer
    x = 78,601,670.30

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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.