Home / 82,687,842-124,033,078.32-46,032,713.88

Finding the Fourth Proportional to 82,687,842, 124,033,078.32 and 46,032,713.88

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Solution

The fourth proportional to 82,687,842, 124,033,078.32 and 46,032,713.88 is: 69,049,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,842 : 124,033,078.32 = 46,032,713.88 : x
  2. Step 2: Convert to fraction form
    82,687,842/124,033,078.32 = 46,032,713.88/x
  3. Step 3: Cross multiply
    82,687,842x = 124,033,078.32 × 46,032,713.88
  4. Step 4: Simplify right side
    82,687,842x = 5,709,579,205,960,191
  5. Step 5: Solve for x
    x = 5,709,579,205,960,191/82,687,842
  6. Step 6: Final answer
    x = 69,049,803.06

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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.