Home / 219,911,200.65-329,866,800.98-90,475,792.65

Finding the Fourth Proportional to 219,911,200.65, 329,866,800.98 and 90,475,792.65

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Solution

The fourth proportional to 219,911,200.65, 329,866,800.98 and 90,475,792.65 is: 135,713,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,911,200.65 : 329,866,800.98 = 90,475,792.65 : x
  2. Step 2: Convert to fraction form
    219,911,200.65/329,866,800.98 = 90,475,792.65/x
  3. Step 3: Cross multiply
    219,911,200.65x = 329,866,800.98 × 90,475,792.65
  4. Step 4: Simplify right side
    219,911,200.65x = 29,844,960,287,132,920
  5. Step 5: Solve for x
    x = 29,844,960,287,132,920/219,911,200.65
  6. Step 6: Final answer
    x = 135,713,688.98

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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.