Home / 78,339,201.80-117,508,802.70-24,486,427.40

Finding the Fourth Proportional to 78,339,201.80, 117,508,802.70 and 24,486,427.40

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Solution

The fourth proportional to 78,339,201.80, 117,508,802.70 and 24,486,427.40 is: 36,729,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,339,201.80 : 117,508,802.70 = 24,486,427.40 : x
  2. Step 2: Convert to fraction form
    78,339,201.80/117,508,802.70 = 24,486,427.40/x
  3. Step 3: Cross multiply
    78,339,201.80x = 117,508,802.70 × 24,486,427.40
  4. Step 4: Simplify right side
    78,339,201.80x = 2,877,370,766,174,474
  5. Step 5: Solve for x
    x = 2,877,370,766,174,474/78,339,201.80
  6. Step 6: Final answer
    x = 36,729,641.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.