Home / 201,113,342.40-301,670,013.60-109,280,337.60

Finding the Fourth Proportional to 201,113,342.40, 301,670,013.60 and 109,280,337.60

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Solution

The fourth proportional to 201,113,342.40, 301,670,013.60 and 109,280,337.60 is: 163,920,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,113,342.40 : 301,670,013.60 = 109,280,337.60 : x
  2. Step 2: Convert to fraction form
    201,113,342.40/301,670,013.60 = 109,280,337.60/x
  3. Step 3: Cross multiply
    201,113,342.40x = 301,670,013.60 × 109,280,337.60
  4. Step 4: Simplify right side
    201,113,342.40x = 32,966,600,930,004,592
  5. Step 5: Solve for x
    x = 32,966,600,930,004,592/201,113,342.40
  6. Step 6: Final answer
    x = 163,920,506.40

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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.