Home / 127,638,251.01-191,312,144.33-77,672,871.23

Finding the Fourth Proportional to 127,638,251.01, 191,312,144.33 and 77,672,871.23

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Solution

The fourth proportional to 127,638,251.01, 191,312,144.33 and 77,672,871.23 is: 116,420,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,638,251.01 : 191,312,144.33 = 77,672,871.23 : x
  2. Step 2: Convert to fraction form
    127,638,251.01/191,312,144.33 = 77,672,871.23/x
  3. Step 3: Cross multiply
    127,638,251.01x = 191,312,144.33 × 77,672,871.23
  4. Step 4: Simplify right side
    127,638,251.01x = 14,859,763,549,934,338
  5. Step 5: Solve for x
    x = 14,859,763,549,934,338/127,638,251.01
  6. Step 6: Final answer
    x = 116,420,927.37

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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.