Home / 66,434,111.20-99,651,166.80-49,215,422.80

Finding the Fourth Proportional to 66,434,111.20, 99,651,166.80 and 49,215,422.80

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Solution

The fourth proportional to 66,434,111.20, 99,651,166.80 and 49,215,422.80 is: 73,823,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,111.20 : 99,651,166.80 = 49,215,422.80 : x
  2. Step 2: Convert to fraction form
    66,434,111.20/99,651,166.80 = 49,215,422.80/x
  3. Step 3: Cross multiply
    66,434,111.20x = 99,651,166.80 × 49,215,422.80
  4. Step 4: Simplify right side
    66,434,111.20x = 4,904,374,306,575,323
  5. Step 5: Solve for x
    x = 4,904,374,306,575,323/66,434,111.20
  6. Step 6: Final answer
    x = 73,823,134.20

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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.