Home / 66,432,059.80-99,648,089.70-57,344,418.70

Finding the Fourth Proportional to 66,432,059.80, 99,648,089.70 and 57,344,418.70

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Solution

The fourth proportional to 66,432,059.80, 99,648,089.70 and 57,344,418.70 is: 86,016,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,059.80 : 99,648,089.70 = 57,344,418.70 : x
  2. Step 2: Convert to fraction form
    66,432,059.80/99,648,089.70 = 57,344,418.70/x
  3. Step 3: Cross multiply
    66,432,059.80x = 99,648,089.70 × 57,344,418.70
  4. Step 4: Simplify right side
    66,432,059.80x = 5,714,261,778,411,958
  5. Step 5: Solve for x
    x = 5,714,261,778,411,958/66,432,059.80
  6. Step 6: Final answer
    x = 86,016,628.05

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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.