Home / 97,084,987.20-145,627,480.80-87,343,214.40

Finding the Fourth Proportional to 97,084,987.20, 145,627,480.80 and 87,343,214.40

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Solution

The fourth proportional to 97,084,987.20, 145,627,480.80 and 87,343,214.40 is: 131,014,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,084,987.20 : 145,627,480.80 = 87,343,214.40 : x
  2. Step 2: Convert to fraction form
    97,084,987.20/145,627,480.80 = 87,343,214.40/x
  3. Step 3: Cross multiply
    97,084,987.20x = 145,627,480.80 × 87,343,214.40
  4. Step 4: Simplify right side
    97,084,987.20x = 12,719,572,278,046,286
  5. Step 5: Solve for x
    x = 12,719,572,278,046,286/97,084,987.20
  6. Step 6: Final answer
    x = 131,014,821.60

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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.