Home / 82,681,246.20-124,021,869.30-58,022,383.80

Finding the Fourth Proportional to 82,681,246.20, 124,021,869.30 and 58,022,383.80

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Solution

The fourth proportional to 82,681,246.20, 124,021,869.30 and 58,022,383.80 is: 87,033,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,681,246.20 : 124,021,869.30 = 58,022,383.80 : x
  2. Step 2: Convert to fraction form
    82,681,246.20/124,021,869.30 = 58,022,383.80/x
  3. Step 3: Cross multiply
    82,681,246.20x = 124,021,869.30 × 58,022,383.80
  4. Step 4: Simplify right side
    82,681,246.20x = 7,196,044,500,118,037
  5. Step 5: Solve for x
    x = 7,196,044,500,118,037/82,681,246.20
  6. Step 6: Final answer
    x = 87,033,575.70

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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.