Home / 215,742,382.59-323,843,861.75-92,981,283.87

Finding the Fourth Proportional to 215,742,382.59, 323,843,861.75 and 92,981,283.87

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Solution

The fourth proportional to 215,742,382.59, 323,843,861.75 and 92,981,283.87 is: 139,571,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,742,382.59 : 323,843,861.75 = 92,981,283.87 : x
  2. Step 2: Convert to fraction form
    215,742,382.59/323,843,861.75 = 92,981,283.87/x
  3. Step 3: Cross multiply
    215,742,382.59x = 323,843,861.75 × 92,981,283.87
  4. Step 4: Simplify right side
    215,742,382.59x = 30,111,418,038,468,880
  5. Step 5: Solve for x
    x = 30,111,418,038,468,880/215,742,382.59
  6. Step 6: Final answer
    x = 139,571,175.94

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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.