Home / 127,848,828.54-176,313,722.22-83,779,821.72

Finding the Fourth Proportional to 127,848,828.54, 176,313,722.22 and 83,779,821.72

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Solution

The fourth proportional to 127,848,828.54, 176,313,722.22 and 83,779,821.72 is: 115,539,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848,828.54 : 176,313,722.22 = 83,779,821.72 : x
  2. Step 2: Convert to fraction form
    127,848,828.54/176,313,722.22 = 83,779,821.72/x
  3. Step 3: Cross multiply
    127,848,828.54x = 176,313,722.22 × 83,779,821.72
  4. Step 4: Simplify right side
    127,848,828.54x = 14,771,532,214,381,202
  5. Step 5: Solve for x
    x = 14,771,532,214,381,202/127,848,828.54
  6. Step 6: Final answer
    x = 115,539,050.17

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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.