Home / 97,085,215.20-145,627,822.80-86,503,634.40

Finding the Fourth Proportional to 97,085,215.20, 145,627,822.80 and 86,503,634.40

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Solution

The fourth proportional to 97,085,215.20, 145,627,822.80 and 86,503,634.40 is: 129,755,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085,215.20 : 145,627,822.80 = 86,503,634.40 : x
  2. Step 2: Convert to fraction form
    97,085,215.20/145,627,822.80 = 86,503,634.40/x
  3. Step 3: Cross multiply
    97,085,215.20x = 145,627,822.80 × 86,503,634.40
  4. Step 4: Simplify right side
    97,085,215.20x = 12,597,335,941,959,186
  5. Step 5: Solve for x
    x = 12,597,335,941,959,186/97,085,215.20
  6. Step 6: Final answer
    x = 129,755,451.60

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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.