Home / 220,354,001.10-330,531,001.65-132,678,045.90

Finding the Fourth Proportional to 220,354,001.10, 330,531,001.65 and 132,678,045.90

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Solution

The fourth proportional to 220,354,001.10, 330,531,001.65 and 132,678,045.90 is: 199,017,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,354,001.10 : 330,531,001.65 = 132,678,045.90 : x
  2. Step 2: Convert to fraction form
    220,354,001.10/330,531,001.65 = 132,678,045.90/x
  3. Step 3: Cross multiply
    220,354,001.10x = 330,531,001.65 × 132,678,045.90
  4. Step 4: Simplify right side
    220,354,001.10x = 43,854,207,408,291,672
  5. Step 5: Solve for x
    x = 43,854,207,408,291,672/220,354,001.10
  6. Step 6: Final answer
    x = 199,017,068.85

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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.