Home / 153,666,650.60-212,078,266.98-88,489,255.40

Finding the Fourth Proportional to 153,666,650.60, 212,078,266.98 and 88,489,255.40

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Solution

The fourth proportional to 153,666,650.60, 212,078,266.98 and 88,489,255.40 is: 122,125,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,666,650.60 : 212,078,266.98 = 88,489,255.40 : x
  2. Step 2: Convert to fraction form
    153,666,650.60/212,078,266.98 = 88,489,255.40/x
  3. Step 3: Cross multiply
    153,666,650.60x = 212,078,266.98 × 88,489,255.40
  4. Step 4: Simplify right side
    153,666,650.60x = 18,766,647,931,582,608
  5. Step 5: Solve for x
    x = 18,766,647,931,582,608/153,666,650.60
  6. Step 6: Final answer
    x = 122,125,704.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.