Home / 209,035,019.88-288,484,464.06-125,406,282.60

Finding the Fourth Proportional to 209,035,019.88, 288,484,464.06 and 125,406,282.60

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Solution

The fourth proportional to 209,035,019.88, 288,484,464.06 and 125,406,282.60 is: 173,070,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,035,019.88 : 288,484,464.06 = 125,406,282.60 : x
  2. Step 2: Convert to fraction form
    209,035,019.88/288,484,464.06 = 125,406,282.60/x
  3. Step 3: Cross multiply
    209,035,019.88x = 288,484,464.06 × 125,406,282.60
  4. Step 4: Simplify right side
    209,035,019.88x = 36,177,764,225,617,904
  5. Step 5: Solve for x
    x = 36,177,764,225,617,904/209,035,019.88
  6. Step 6: Final answer
    x = 173,070,350.83

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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.