Home / 219,839,280.40-329,758,920.60-112,343,856.40

Finding the Fourth Proportional to 219,839,280.40, 329,758,920.60 and 112,343,856.40

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Solution

The fourth proportional to 219,839,280.40, 329,758,920.60 and 112,343,856.40 is: 168,515,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,839,280.40 : 329,758,920.60 = 112,343,856.40 : x
  2. Step 2: Convert to fraction form
    219,839,280.40/329,758,920.60 = 112,343,856.40/x
  3. Step 3: Cross multiply
    219,839,280.40x = 329,758,920.60 × 112,343,856.40
  4. Step 4: Simplify right side
    219,839,280.40x = 37,046,388,822,505,408
  5. Step 5: Solve for x
    x = 37,046,388,822,505,408/219,839,280.40
  6. Step 6: Final answer
    x = 168,515,784.60

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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.