Home / 255,346,818.32-383,074,027.72-82,810,178.40

Finding the Fourth Proportional to 255,346,818.32, 383,074,027.72 and 82,810,178.40

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Solution

The fourth proportional to 255,346,818.32, 383,074,027.72 and 82,810,178.40 is: 124,232,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,818.32 : 383,074,027.72 = 82,810,178.40 : x
  2. Step 2: Convert to fraction form
    255,346,818.32/383,074,027.72 = 82,810,178.40/x
  3. Step 3: Cross multiply
    255,346,818.32x = 383,074,027.72 × 82,810,178.40
  4. Step 4: Simplify right side
    255,346,818.32x = 31,722,428,575,899,748
  5. Step 5: Solve for x
    x = 31,722,428,575,899,748/255,346,818.32
  6. Step 6: Final answer
    x = 124,232,715.27

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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.