Home / 255,051,904.98-351,883,545.12-154,612,545.54

Finding the Fourth Proportional to 255,051,904.98, 351,883,545.12 and 154,612,545.54

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Solution

The fourth proportional to 255,051,904.98, 351,883,545.12 and 154,612,545.54 is: 213,311,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,051,904.98 : 351,883,545.12 = 154,612,545.54 : x
  2. Step 2: Convert to fraction form
    255,051,904.98/351,883,545.12 = 154,612,545.54/x
  3. Step 3: Cross multiply
    255,051,904.98x = 351,883,545.12 × 154,612,545.54
  4. Step 4: Simplify right side
    255,051,904.98x = 54,405,610,644,642,640
  5. Step 5: Solve for x
    x = 54,405,610,644,642,640/255,051,904.98
  6. Step 6: Final answer
    x = 213,311,916.45

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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.