Home / 101,369,015.53-139,892,192.49-57,315,068.53

Finding the Fourth Proportional to 101,369,015.53, 139,892,192.49 and 57,315,068.53

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Solution

The fourth proportional to 101,369,015.53, 139,892,192.49 and 57,315,068.53 is: 79,096,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369,015.53 : 139,892,192.49 = 57,315,068.53 : x
  2. Step 2: Convert to fraction form
    101,369,015.53/139,892,192.49 = 57,315,068.53/x
  3. Step 3: Cross multiply
    101,369,015.53x = 139,892,192.49 × 57,315,068.53
  4. Step 4: Simplify right side
    101,369,015.53x = 8,017,930,599,376,302
  5. Step 5: Solve for x
    x = 8,017,930,599,376,302/101,369,015.53
  6. Step 6: Final answer
    x = 79,096,463.13

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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.