Home / 103,194,312.24-154,813,863.24-31,388,862

Finding the Fourth Proportional to 103,194,312.24, 154,813,863.24 and 31,388,862

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Solution

The fourth proportional to 103,194,312.24, 154,813,863.24 and 31,388,862 is: 47,090,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194,312.24 : 154,813,863.24 = 31,388,862 : x
  2. Step 2: Convert to fraction form
    103,194,312.24/154,813,863.24 = 31,388,862/x
  3. Step 3: Cross multiply
    103,194,312.24x = 154,813,863.24 × 31,388,862
  4. Step 4: Simplify right side
    103,194,312.24x = 4,859,430,988,927,233
  5. Step 5: Solve for x
    x = 4,859,430,988,927,233/103,194,312.24
  6. Step 6: Final answer
    x = 47,090,104.90

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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.