Home / 226,671,742.90-312,782,886.75-127,550,762.97

Finding the Fourth Proportional to 226,671,742.90, 312,782,886.75 and 127,550,762.97

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Solution

The fourth proportional to 226,671,742.90, 312,782,886.75 and 127,550,762.97 is: 176,006,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,671,742.90 : 312,782,886.75 = 127,550,762.97 : x
  2. Step 2: Convert to fraction form
    226,671,742.90/312,782,886.75 = 127,550,762.97/x
  3. Step 3: Cross multiply
    226,671,742.90x = 312,782,886.75 × 127,550,762.97
  4. Step 4: Simplify right side
    226,671,742.90x = 39,895,695,848,921,600
  5. Step 5: Solve for x
    x = 39,895,695,848,921,600/226,671,742.90
  6. Step 6: Final answer
    x = 176,006,481.17

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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.