Home / 285,275,424.40-427,913,136.60-69,864,672.40

Finding the Fourth Proportional to 285,275,424.40, 427,913,136.60 and 69,864,672.40

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Solution

The fourth proportional to 285,275,424.40, 427,913,136.60 and 69,864,672.40 is: 104,797,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,275,424.40 : 427,913,136.60 = 69,864,672.40 : x
  2. Step 2: Convert to fraction form
    285,275,424.40/427,913,136.60 = 69,864,672.40/x
  3. Step 3: Cross multiply
    285,275,424.40x = 427,913,136.60 × 69,864,672.40
  4. Step 4: Simplify right side
    285,275,424.40x = 29,896,011,104,215,456
  5. Step 5: Solve for x
    x = 29,896,011,104,215,456/285,275,424.40
  6. Step 6: Final answer
    x = 104,797,008.60

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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.