Home / 61,990,272.40-92,985,408.60-54,432,000.40

Finding the Fourth Proportional to 61,990,272.40, 92,985,408.60 and 54,432,000.40

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Solution

The fourth proportional to 61,990,272.40, 92,985,408.60 and 54,432,000.40 is: 81,648,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990,272.40 : 92,985,408.60 = 54,432,000.40 : x
  2. Step 2: Convert to fraction form
    61,990,272.40/92,985,408.60 = 54,432,000.40/x
  3. Step 3: Cross multiply
    61,990,272.40x = 92,985,408.60 × 54,432,000.40
  4. Step 4: Simplify right side
    61,990,272.40x = 5,061,381,798,109,363
  5. Step 5: Solve for x
    x = 5,061,381,798,109,363/61,990,272.40
  6. Step 6: Final answer
    x = 81,648,000.60

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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.