Home / 256,643,558.10-384,965,337.15-154,606,886.10

Finding the Fourth Proportional to 256,643,558.10, 384,965,337.15 and 154,606,886.10

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Solution

The fourth proportional to 256,643,558.10, 384,965,337.15 and 154,606,886.10 is: 231,910,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,643,558.10 : 384,965,337.15 = 154,606,886.10 : x
  2. Step 2: Convert to fraction form
    256,643,558.10/384,965,337.15 = 154,606,886.10/x
  3. Step 3: Cross multiply
    256,643,558.10x = 384,965,337.15 × 154,606,886.10
  4. Step 4: Simplify right side
    256,643,558.10x = 59,518,292,033,198,144
  5. Step 5: Solve for x
    x = 59,518,292,033,198,144/256,643,558.10
  6. Step 6: Final answer
    x = 231,910,329.15

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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.