Home / 221,433,965.80-332,150,948.70-209,596,117.53

Finding the Fourth Proportional to 221,433,965.80, 332,150,948.70 and 209,596,117.53

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Solution

The fourth proportional to 221,433,965.80, 332,150,948.70 and 209,596,117.53 is: 314,394,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,965.80 : 332,150,948.70 = 209,596,117.53 : x
  2. Step 2: Convert to fraction form
    221,433,965.80/332,150,948.70 = 209,596,117.53/x
  3. Step 3: Cross multiply
    221,433,965.80x = 332,150,948.70 × 209,596,117.53
  4. Step 4: Simplify right side
    221,433,965.80x = 69,617,549,281,426,200
  5. Step 5: Solve for x
    x = 69,617,549,281,426,200/221,433,965.80
  6. Step 6: Final answer
    x = 314,394,176.30

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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.