Home / 148,637,213.92-223,028,863.44-66,813,904

Finding the Fourth Proportional to 148,637,213.92, 223,028,863.44 and 66,813,904

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Solution

The fourth proportional to 148,637,213.92, 223,028,863.44 and 66,813,904 is: 100,253,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,637,213.92 : 223,028,863.44 = 66,813,904 : x
  2. Step 2: Convert to fraction form
    148,637,213.92/223,028,863.44 = 66,813,904/x
  3. Step 3: Cross multiply
    148,637,213.92x = 223,028,863.44 × 66,813,904
  4. Step 4: Simplify right side
    148,637,213.92x = 14,901,429,071,109,270
  5. Step 5: Solve for x
    x = 14,901,429,071,109,270/148,637,213.92
  6. Step 6: Final answer
    x = 100,253,689.36

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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.