Home / 78,549,097.40-117,876,790.20-35,396,088.20

Finding the Fourth Proportional to 78,549,097.40, 117,876,790.20 and 35,396,088.20

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Solution

The fourth proportional to 78,549,097.40, 117,876,790.20 and 35,396,088.20 is: 53,118,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,549,097.40 : 117,876,790.20 = 35,396,088.20 : x
  2. Step 2: Convert to fraction form
    78,549,097.40/117,876,790.20 = 35,396,088.20/x
  3. Step 3: Cross multiply
    78,549,097.40x = 117,876,790.20 × 35,396,088.20
  4. Step 4: Simplify right side
    78,549,097.40x = 4,172,377,262,652,096
  5. Step 5: Solve for x
    x = 4,172,377,262,652,096/78,549,097.40
  6. Step 6: Final answer
    x = 53,118,080.29

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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.