Home / 255,736,081.50-383,700,758.22-153,571,338.78

Finding the Fourth Proportional to 255,736,081.50, 383,700,758.22 and 153,571,338.78

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Solution

The fourth proportional to 255,736,081.50, 383,700,758.22 and 153,571,338.78 is: 230,415,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,736,081.50 : 383,700,758.22 = 153,571,338.78 : x
  2. Step 2: Convert to fraction form
    255,736,081.50/383,700,758.22 = 153,571,338.78/x
  3. Step 3: Cross multiply
    255,736,081.50x = 383,700,758.22 × 153,571,338.78
  4. Step 4: Simplify right side
    255,736,081.50x = 58,925,439,130,746,496
  5. Step 5: Solve for x
    x = 58,925,439,130,746,496/255,736,081.50
  6. Step 6: Final answer
    x = 230,415,038.76

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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.