Home / 302,228,738.40-452,820,560.40-140,338,639.20

Finding the Fourth Proportional to 302,228,738.40, 452,820,560.40 and 140,338,639.20

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Solution

The fourth proportional to 302,228,738.40, 452,820,560.40 and 140,338,639.20 is: 210,265,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,228,738.40 : 452,820,560.40 = 140,338,639.20 : x
  2. Step 2: Convert to fraction form
    302,228,738.40/452,820,560.40 = 140,338,639.20/x
  3. Step 3: Cross multiply
    302,228,738.40x = 452,820,560.40 × 140,338,639.20
  4. Step 4: Simplify right side
    302,228,738.40x = 63,548,221,248,317,400
  5. Step 5: Solve for x
    x = 63,548,221,248,317,400/302,228,738.40
  6. Step 6: Final answer
    x = 210,265,316.21

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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.