Home / 82,944,099.20-124,357,166.40-31,806,358.40

Finding the Fourth Proportional to 82,944,099.20, 124,357,166.40 and 31,806,358.40

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Solution

The fourth proportional to 82,944,099.20, 124,357,166.40 and 31,806,358.40 is: 47,686,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,099.20 : 124,357,166.40 = 31,806,358.40 : x
  2. Step 2: Convert to fraction form
    82,944,099.20/124,357,166.40 = 31,806,358.40/x
  3. Step 3: Cross multiply
    82,944,099.20x = 124,357,166.40 × 31,806,358.40
  4. Step 4: Simplify right side
    82,944,099.20x = 3,955,348,604,126,838
  5. Step 5: Solve for x
    x = 3,955,348,604,126,838/82,944,099.20
  6. Step 6: Final answer
    x = 47,686,919.77

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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.