Home / 81,652,000.20-122,478,000.30-67,291,283.40

Finding the Fourth Proportional to 81,652,000.20, 122,478,000.30 and 67,291,283.40

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Solution

The fourth proportional to 81,652,000.20, 122,478,000.30 and 67,291,283.40 is: 100,936,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652,000.20 : 122,478,000.30 = 67,291,283.40 : x
  2. Step 2: Convert to fraction form
    81,652,000.20/122,478,000.30 = 67,291,283.40/x
  3. Step 3: Cross multiply
    81,652,000.20x = 122,478,000.30 × 67,291,283.40
  4. Step 4: Simplify right side
    81,652,000.20x = 8,241,701,828,452,586
  5. Step 5: Solve for x
    x = 8,241,701,828,452,586/81,652,000.20
  6. Step 6: Final answer
    x = 100,936,925.10

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1.5x scale

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.