Home / 219,890,917.40-329,836,376.10-162,495,289.40

Finding the Fourth Proportional to 219,890,917.40, 329,836,376.10 and 162,495,289.40

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Solution

The fourth proportional to 219,890,917.40, 329,836,376.10 and 162,495,289.40 is: 243,742,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,890,917.40 : 329,836,376.10 = 162,495,289.40 : x
  2. Step 2: Convert to fraction form
    219,890,917.40/329,836,376.10 = 162,495,289.40/x
  3. Step 3: Cross multiply
    219,890,917.40x = 329,836,376.10 × 162,495,289.40
  4. Step 4: Simplify right side
    219,890,917.40x = 53,596,857,389,016,752
  5. Step 5: Solve for x
    x = 53,596,857,389,016,752/219,890,917.40
  6. Step 6: Final answer
    x = 243,742,934.10

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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.