Home / 127,848,826.16-176,313,718.92-83,779,819.34

Finding the Fourth Proportional to 127,848,826.16, 176,313,718.92 and 83,779,819.34

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Solution

The fourth proportional to 127,848,826.16, 176,313,718.92 and 83,779,819.34 is: 115,539,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848,826.16 : 176,313,718.92 = 83,779,819.34 : x
  2. Step 2: Convert to fraction form
    127,848,826.16/176,313,718.92 = 83,779,819.34/x
  3. Step 3: Cross multiply
    127,848,826.16x = 176,313,718.92 × 83,779,819.34
  4. Step 4: Simplify right side
    127,848,826.16x = 14,771,531,518,281,140
  5. Step 5: Solve for x
    x = 14,771,531,518,281,140/127,848,826.16
  6. Step 6: Final answer
    x = 115,539,046.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.