Home / 66,288,182.20-99,264,311.70-52,851,254.20

Finding the Fourth Proportional to 66,288,182.20, 99,264,311.70 and 52,851,254.20

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Solution

The fourth proportional to 66,288,182.20, 99,264,311.70 and 52,851,254.20 is: 79,142,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288,182.20 : 99,264,311.70 = 52,851,254.20 : x
  2. Step 2: Convert to fraction form
    66,288,182.20/99,264,311.70 = 52,851,254.20/x
  3. Step 3: Cross multiply
    66,288,182.20x = 99,264,311.70 × 52,851,254.20
  4. Step 4: Simplify right side
    66,288,182.20x = 5,246,243,370,644,735
  5. Step 5: Solve for x
    x = 5,246,243,370,644,735/66,288,182.20
  6. Step 6: Final answer
    x = 79,142,966.31

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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.