Home / 209,425,154.48-288,997,388.48-120,053,025.98

Finding the Fourth Proportional to 209,425,154.48, 288,997,388.48 and 120,053,025.98

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Solution

The fourth proportional to 209,425,154.48, 288,997,388.48 and 120,053,025.98 is: 165,667,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,425,154.48 : 288,997,388.48 = 120,053,025.98 : x
  2. Step 2: Convert to fraction form
    209,425,154.48/288,997,388.48 = 120,053,025.98/x
  3. Step 3: Cross multiply
    209,425,154.48x = 288,997,388.48 × 120,053,025.98
  4. Step 4: Simplify right side
    209,425,154.48x = 34,695,010,985,296,340
  5. Step 5: Solve for x
    x = 34,695,010,985,296,340/209,425,154.48
  6. Step 6: Final answer
    x = 165,667,830.46

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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.