Home / 127,876,649.04-191,767,355.28-45,973,178.28

Finding the Fourth Proportional to 127,876,649.04, 191,767,355.28 and 45,973,178.28

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Solution

The fourth proportional to 127,876,649.04, 191,767,355.28 and 45,973,178.28 is: 68,942,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876,649.04 : 191,767,355.28 = 45,973,178.28 : x
  2. Step 2: Convert to fraction form
    127,876,649.04/191,767,355.28 = 45,973,178.28/x
  3. Step 3: Cross multiply
    127,876,649.04x = 191,767,355.28 × 45,973,178.28
  4. Step 4: Simplify right side
    127,876,649.04x = 8,816,154,812,571,540
  5. Step 5: Solve for x
    x = 8,816,154,812,571,540/127,876,649.04
  6. Step 6: Final answer
    x = 68,942,648.08

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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.