Home / 68,346,523.20-102,519,784.80-42,866,126.40

Finding the Fourth Proportional to 68,346,523.20, 102,519,784.80 and 42,866,126.40

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Solution

The fourth proportional to 68,346,523.20, 102,519,784.80 and 42,866,126.40 is: 64,299,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346,523.20 : 102,519,784.80 = 42,866,126.40 : x
  2. Step 2: Convert to fraction form
    68,346,523.20/102,519,784.80 = 42,866,126.40/x
  3. Step 3: Cross multiply
    68,346,523.20x = 102,519,784.80 × 42,866,126.40
  4. Step 4: Simplify right side
    68,346,523.20x = 4,394,626,053,737,598.50
  5. Step 5: Solve for x
    x = 4,394,626,053,737,598.50/68,346,523.20
  6. Step 6: Final answer
    x = 64,299,189.60

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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.