Home / 97,086,736.20-145,630,104.30-87,344,963.40

Finding the Fourth Proportional to 97,086,736.20, 145,630,104.30 and 87,344,963.40

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Solution

The fourth proportional to 97,086,736.20, 145,630,104.30 and 87,344,963.40 is: 131,017,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086,736.20 : 145,630,104.30 = 87,344,963.40 : x
  2. Step 2: Convert to fraction form
    97,086,736.20/145,630,104.30 = 87,344,963.40/x
  3. Step 3: Cross multiply
    97,086,736.20x = 145,630,104.30 × 87,344,963.40
  4. Step 4: Simplify right side
    97,086,736.20x = 12,720,056,130,021,684
  5. Step 5: Solve for x
    x = 12,720,056,130,021,684/97,086,736.20
  6. Step 6: Final answer
    x = 131,017,445.10

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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.