Home / 240,370,440.40-360,933,574.20-138,333,768.40

Finding the Fourth Proportional to 240,370,440.40, 360,933,574.20 and 138,333,768.40

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Solution

The fourth proportional to 240,370,440.40, 360,933,574.20 and 138,333,768.40 is: 207,718,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,370,440.40 : 360,933,574.20 = 138,333,768.40 : x
  2. Step 2: Convert to fraction form
    240,370,440.40/360,933,574.20 = 138,333,768.40/x
  3. Step 3: Cross multiply
    240,370,440.40x = 360,933,574.20 × 138,333,768.40
  4. Step 4: Simplify right side
    240,370,440.40x = 49,929,301,461,167,016
  5. Step 5: Solve for x
    x = 49,929,301,461,167,016/240,370,440.40
  6. Step 6: Final answer
    x = 207,718,142.79

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1.5x scale

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.