Home / 79,411,612.96-119,090,639.86-30,215,787.52

Finding the Fourth Proportional to 79,411,612.96, 119,090,639.86 and 30,215,787.52

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Solution

The fourth proportional to 79,411,612.96, 119,090,639.86 and 30,215,787.52 is: 45,313,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411,612.96 : 119,090,639.86 = 30,215,787.52 : x
  2. Step 2: Convert to fraction form
    79,411,612.96/119,090,639.86 = 30,215,787.52/x
  3. Step 3: Cross multiply
    79,411,612.96x = 119,090,639.86 × 30,215,787.52
  4. Step 4: Simplify right side
    79,411,612.96x = 3,598,417,469,630,602.50
  5. Step 5: Solve for x
    x = 3,598,417,469,630,602.50/79,411,612.96
  6. Step 6: Final answer
    x = 45,313,491.76

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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.