Home / 82,386,200.40-123,721,018.20-58,294,208.40

Finding the Fourth Proportional to 82,386,200.40, 123,721,018.20 and 58,294,208.40

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Solution

The fourth proportional to 82,386,200.40, 123,721,018.20 and 58,294,208.40 is: 87,541,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,386,200.40 : 123,721,018.20 = 58,294,208.40 : x
  2. Step 2: Convert to fraction form
    82,386,200.40/123,721,018.20 = 58,294,208.40/x
  3. Step 3: Cross multiply
    82,386,200.40x = 123,721,018.20 × 58,294,208.40
  4. Step 4: Simplify right side
    82,386,200.40x = 7,212,218,818,410,993
  5. Step 5: Solve for x
    x = 7,212,218,818,410,993/82,386,200.40
  6. Step 6: Final answer
    x = 87,541,588.07

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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.