Home / 256,023,097.28-383,879,130.04-100,390,454.72

Finding the Fourth Proportional to 256,023,097.28, 383,879,130.04 and 100,390,454.72

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Solution

The fourth proportional to 256,023,097.28, 383,879,130.04 and 100,390,454.72 is: 150,524,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,023,097.28 : 383,879,130.04 = 100,390,454.72 : x
  2. Step 2: Convert to fraction form
    256,023,097.28/383,879,130.04 = 100,390,454.72/x
  3. Step 3: Cross multiply
    256,023,097.28x = 383,879,130.04 × 100,390,454.72
  4. Step 4: Simplify right side
    256,023,097.28x = 38,537,800,422,233,616
  5. Step 5: Solve for x
    x = 38,537,800,422,233,616/256,023,097.28
  6. Step 6: Final answer
    x = 150,524,702.00

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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.