Home / 209,425,152.98-288,997,386.41-120,053,024.48

Finding the Fourth Proportional to 209,425,152.98, 288,997,386.41 and 120,053,024.48

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Solution

The fourth proportional to 209,425,152.98, 288,997,386.41 and 120,053,024.48 is: 165,667,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,425,152.98 : 288,997,386.41 = 120,053,024.48 : x
  2. Step 2: Convert to fraction form
    209,425,152.98/288,997,386.41 = 120,053,024.48/x
  3. Step 3: Cross multiply
    209,425,152.98x = 288,997,386.41 × 120,053,024.48
  4. Step 4: Simplify right side
    209,425,152.98x = 34,695,010,304,703,524
  5. Step 5: Solve for x
    x = 34,695,010,304,703,524/209,425,152.98
  6. Step 6: Final answer
    x = 165,667,828.39

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1.5x scale

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.