Home / 262,227,785.10-393,341,677.65-126,178,889.10

Finding the Fourth Proportional to 262,227,785.10, 393,341,677.65 and 126,178,889.10

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Solution

The fourth proportional to 262,227,785.10, 393,341,677.65 and 126,178,889.10 is: 189,268,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,227,785.10 : 393,341,677.65 = 126,178,889.10 : x
  2. Step 2: Convert to fraction form
    262,227,785.10/393,341,677.65 = 126,178,889.10/x
  3. Step 3: Cross multiply
    262,227,785.10x = 393,341,677.65 × 126,178,889.10
  4. Step 4: Simplify right side
    262,227,785.10x = 49,631,415,922,607,296
  5. Step 5: Solve for x
    x = 49,631,415,922,607,296/262,227,785.10
  6. Step 6: Final answer
    x = 189,268,333.65

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Similar ratio
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1.5x scale

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.