Home / 72,215,761.78-99,657,750.30-41,276,595.52

Finding the Fourth Proportional to 72,215,761.78, 99,657,750.30 and 41,276,595.52

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Solution

The fourth proportional to 72,215,761.78, 99,657,750.30 and 41,276,595.52 is: 56,961,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,761.78 : 99,657,750.30 = 41,276,595.52 : x
  2. Step 2: Convert to fraction form
    72,215,761.78/99,657,750.30 = 41,276,595.52/x
  3. Step 3: Cross multiply
    72,215,761.78x = 99,657,750.30 × 41,276,595.52
  4. Step 4: Simplify right side
    72,215,761.78x = 4,113,532,649,566,259
  5. Step 5: Solve for x
    x = 4,113,532,649,566,259/72,215,761.78
  6. Step 6: Final answer
    x = 56,961,701.27

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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.