Home / 219,912,205.61-329,708,372.65-103,267,455.70

Finding the Fourth Proportional to 219,912,205.61, 329,708,372.65 and 103,267,455.70

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Solution

The fourth proportional to 219,912,205.61, 329,708,372.65 and 103,267,455.70 is: 154,826,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912,205.61 : 329,708,372.65 = 103,267,455.70 : x
  2. Step 2: Convert to fraction form
    219,912,205.61/329,708,372.65 = 103,267,455.70/x
  3. Step 3: Cross multiply
    219,912,205.61x = 329,708,372.65 × 103,267,455.70
  4. Step 4: Simplify right side
    219,912,205.61x = 34,048,144,765,470,528
  5. Step 5: Solve for x
    x = 34,048,144,765,470,528/219,912,205.61
  6. Step 6: Final answer
    x = 154,826,080.13

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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.