Home / 213,645,068.61-320,422,761.99-60,255,252.78

Finding the Fourth Proportional to 213,645,068.61, 320,422,761.99 and 60,255,252.78

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Solution

The fourth proportional to 213,645,068.61, 320,422,761.99 and 60,255,252.78 is: 90,370,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,645,068.61 : 320,422,761.99 = 60,255,252.78 : x
  2. Step 2: Convert to fraction form
    213,645,068.61/320,422,761.99 = 60,255,252.78/x
  3. Step 3: Cross multiply
    213,645,068.61x = 320,422,761.99 × 60,255,252.78
  4. Step 4: Simplify right side
    213,645,068.61x = 19,307,154,520,173,228
  5. Step 5: Solve for x
    x = 19,307,154,520,173,228/213,645,068.61
  6. Step 6: Final answer
    x = 90,370,232.49

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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.