Home / 112,331,128.70-168,496,693.05-63,790,226.30

Finding the Fourth Proportional to 112,331,128.70, 168,496,693.05 and 63,790,226.30

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Solution

The fourth proportional to 112,331,128.70, 168,496,693.05 and 63,790,226.30 is: 95,685,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,128.70 : 168,496,693.05 = 63,790,226.30 : x
  2. Step 2: Convert to fraction form
    112,331,128.70/168,496,693.05 = 63,790,226.30/x
  3. Step 3: Cross multiply
    112,331,128.70x = 168,496,693.05 × 63,790,226.30
  4. Step 4: Simplify right side
    112,331,128.70x = 10,748,442,180,461,138
  5. Step 5: Solve for x
    x = 10,748,442,180,461,138/112,331,128.70
  6. Step 6: Final answer
    x = 95,685,339.45

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Double scale
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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.