Home / 219,890,915.40-329,836,373.10-162,495,287.40

Finding the Fourth Proportional to 219,890,915.40, 329,836,373.10 and 162,495,287.40

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Solution

The fourth proportional to 219,890,915.40, 329,836,373.10 and 162,495,287.40 is: 243,742,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,890,915.40 : 329,836,373.10 = 162,495,287.40 : x
  2. Step 2: Convert to fraction form
    219,890,915.40/329,836,373.10 = 162,495,287.40/x
  3. Step 3: Cross multiply
    219,890,915.40x = 329,836,373.10 × 162,495,287.40
  4. Step 4: Simplify right side
    219,890,915.40x = 53,596,856,241,858,136
  5. Step 5: Solve for x
    x = 53,596,856,241,858,136/219,890,915.40
  6. Step 6: Final answer
    x = 243,742,931.10

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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.