Home / 82,732,420.07-123,937,186.02-64,451,015.72

Finding the Fourth Proportional to 82,732,420.07, 123,937,186.02 and 64,451,015.72

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Solution

The fourth proportional to 82,732,420.07, 123,937,186.02 and 64,451,015.72 is: 96,550,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732,420.07 : 123,937,186.02 = 64,451,015.72 : x
  2. Step 2: Convert to fraction form
    82,732,420.07/123,937,186.02 = 64,451,015.72/x
  3. Step 3: Cross multiply
    82,732,420.07x = 123,937,186.02 × 64,451,015.72
  4. Step 4: Simplify right side
    82,732,420.07x = 7,987,877,524,070,971
  5. Step 5: Solve for x
    x = 7,987,877,524,070,971/82,732,420.07
  6. Step 6: Final answer
    x = 96,550,753.83

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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.