Home / 103,059,325.84-142,221,031.32-56,649,086.32

Finding the Fourth Proportional to 103,059,325.84, 142,221,031.32 and 56,649,086.32

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Solution

The fourth proportional to 103,059,325.84, 142,221,031.32 and 56,649,086.32 is: 78,175,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,059,325.84 : 142,221,031.32 = 56,649,086.32 : x
  2. Step 2: Convert to fraction form
    103,059,325.84/142,221,031.32 = 56,649,086.32/x
  3. Step 3: Cross multiply
    103,059,325.84x = 142,221,031.32 × 56,649,086.32
  4. Step 4: Simplify right side
    103,059,325.84x = 8,056,691,479,766,103
  5. Step 5: Solve for x
    x = 8,056,691,479,766,103/103,059,325.84
  6. Step 6: Final answer
    x = 78,175,278.31

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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.