Home / 78,040,937.77-107,688,645.22-43,227,123.59

Finding the Fourth Proportional to 78,040,937.77, 107,688,645.22 and 43,227,123.59

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Solution

The fourth proportional to 78,040,937.77, 107,688,645.22 and 43,227,123.59 is: 59,649,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,937.77 : 107,688,645.22 = 43,227,123.59 : x
  2. Step 2: Convert to fraction form
    78,040,937.77/107,688,645.22 = 43,227,123.59/x
  3. Step 3: Cross multiply
    78,040,937.77x = 107,688,645.22 × 43,227,123.59
  4. Step 4: Simplify right side
    78,040,937.77x = 4,655,070,376,528,492
  5. Step 5: Solve for x
    x = 4,655,070,376,528,492/78,040,937.77
  6. Step 6: Final answer
    x = 59,649,083.03

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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.