Home / 215,984,845.10-323,977,267.65-172,938,124.10

Finding the Fourth Proportional to 215,984,845.10, 323,977,267.65 and 172,938,124.10

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Solution

The fourth proportional to 215,984,845.10, 323,977,267.65 and 172,938,124.10 is: 259,407,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,984,845.10 : 323,977,267.65 = 172,938,124.10 : x
  2. Step 2: Convert to fraction form
    215,984,845.10/323,977,267.65 = 172,938,124.10/x
  3. Step 3: Cross multiply
    215,984,845.10x = 323,977,267.65 × 172,938,124.10
  4. Step 4: Simplify right side
    215,984,845.10x = 56,028,020,918,434,608
  5. Step 5: Solve for x
    x = 56,028,020,918,434,608/215,984,845.10
  6. Step 6: Final answer
    x = 259,407,186.15

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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.