Home / 101,369,167.40-139,892,401.38-57,315,219.88

Finding the Fourth Proportional to 101,369,167.40, 139,892,401.38 and 57,315,219.88

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Solution

The fourth proportional to 101,369,167.40, 139,892,401.38 and 57,315,219.88 is: 79,096,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369,167.40 : 139,892,401.38 = 57,315,219.88 : x
  2. Step 2: Convert to fraction form
    101,369,167.40/139,892,401.38 = 57,315,219.88/x
  3. Step 3: Cross multiply
    101,369,167.40x = 139,892,401.38 × 57,315,219.88
  4. Step 4: Simplify right side
    101,369,167.40x = 8,017,963,744,635,916
  5. Step 5: Solve for x
    x = 8,017,963,744,635,916/101,369,167.40
  6. Step 6: Final answer
    x = 79,096,671.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.