Home / 154,236,389.54-212,790,363.53-101,341,568.58

Finding the Fourth Proportional to 154,236,389.54, 212,790,363.53 and 101,341,568.58

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Solution

The fourth proportional to 154,236,389.54, 212,790,363.53 and 101,341,568.58 is: 139,814,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,236,389.54 : 212,790,363.53 = 101,341,568.58 : x
  2. Step 2: Convert to fraction form
    154,236,389.54/212,790,363.53 = 101,341,568.58/x
  3. Step 3: Cross multiply
    154,236,389.54x = 212,790,363.53 × 101,341,568.58
  4. Step 4: Simplify right side
    154,236,389.54x = 21,564,509,217,533,956
  5. Step 5: Solve for x
    x = 21,564,509,217,533,956/154,236,389.54
  6. Step 6: Final answer
    x = 139,814,665.54

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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.