Home / 90,464,770.80-135,547,565.40-52,059,301.20

Finding the Fourth Proportional to 90,464,770.80, 135,547,565.40 and 52,059,301.20

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Solution

The fourth proportional to 90,464,770.80, 135,547,565.40 and 52,059,301.20 is: 78,002,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464,770.80 : 135,547,565.40 = 52,059,301.20 : x
  2. Step 2: Convert to fraction form
    90,464,770.80/135,547,565.40 = 52,059,301.20/x
  3. Step 3: Cross multiply
    90,464,770.80x = 135,547,565.40 × 52,059,301.20
  4. Step 4: Simplify right side
    90,464,770.80x = 7,056,511,534,085,299
  5. Step 5: Solve for x
    x = 7,056,511,534,085,299/90,464,770.80
  6. Step 6: Final answer
    x = 78,002,867.54

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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.