Home / 45,108,915.02-67,691,836.13-19,201,175.18

Finding the Fourth Proportional to 45,108,915.02, 67,691,836.13 and 19,201,175.18

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Solution

The fourth proportional to 45,108,915.02, 67,691,836.13 and 19,201,175.18 is: 28,813,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,108,915.02 : 67,691,836.13 = 19,201,175.18 : x
  2. Step 2: Convert to fraction form
    45,108,915.02/67,691,836.13 = 19,201,175.18/x
  3. Step 3: Cross multiply
    45,108,915.02x = 67,691,836.13 × 19,201,175.18
  4. Step 4: Simplify right side
    45,108,915.02x = 1,299,762,803,787,983.25
  5. Step 5: Solve for x
    x = 1,299,762,803,787,983.25/45,108,915.02
  6. Step 6: Final answer
    x = 28,813,878.66

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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.