Home / 68,316,555.60-102,474,833.40-61,726,687.20

Finding the Fourth Proportional to 68,316,555.60, 102,474,833.40 and 61,726,687.20

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Solution

The fourth proportional to 68,316,555.60, 102,474,833.40 and 61,726,687.20 is: 92,590,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316,555.60 : 102,474,833.40 = 61,726,687.20 : x
  2. Step 2: Convert to fraction form
    68,316,555.60/102,474,833.40 = 61,726,687.20/x
  3. Step 3: Cross multiply
    68,316,555.60x = 102,474,833.40 × 61,726,687.20
  4. Step 4: Simplify right side
    68,316,555.60x = 6,325,431,987,153,913
  5. Step 5: Solve for x
    x = 6,325,431,987,153,913/68,316,555.60
  6. Step 6: Final answer
    x = 92,590,030.80

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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.