Home / 40,159,820.79-55,418,431.64-22,756,374.63

Finding the Fourth Proportional to 40,159,820.79, 55,418,431.64 and 22,756,374.63

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Solution

The fourth proportional to 40,159,820.79, 55,418,431.64 and 22,756,374.63 is: 31,402,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159,820.79 : 55,418,431.64 = 22,756,374.63 : x
  2. Step 2: Convert to fraction form
    40,159,820.79/55,418,431.64 = 22,756,374.63/x
  3. Step 3: Cross multiply
    40,159,820.79x = 55,418,431.64 × 22,756,374.63
  4. Step 4: Simplify right side
    40,159,820.79x = 1,261,122,591,693,103.25
  5. Step 5: Solve for x
    x = 1,261,122,591,693,103.25/40,159,820.79
  6. Step 6: Final answer
    x = 31,402,595.10

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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.