Home / 209,035,019.38-288,484,463.37-125,406,282.10

Finding the Fourth Proportional to 209,035,019.38, 288,484,463.37 and 125,406,282.10

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Solution

The fourth proportional to 209,035,019.38, 288,484,463.37 and 125,406,282.10 is: 173,070,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,035,019.38 : 288,484,463.37 = 125,406,282.10 : x
  2. Step 2: Convert to fraction form
    209,035,019.38/288,484,463.37 = 125,406,282.10/x
  3. Step 3: Cross multiply
    209,035,019.38x = 288,484,463.37 × 125,406,282.10
  4. Step 4: Simplify right side
    209,035,019.38x = 36,177,763,994,845,336
  5. Step 5: Solve for x
    x = 36,177,763,994,845,336/209,035,019.38
  6. Step 6: Final answer
    x = 173,070,350.14

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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.