Home / 127,227,764.70-190,841,647.05-45,438,994.80

Finding the Fourth Proportional to 127,227,764.70, 190,841,647.05 and 45,438,994.80

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Solution

The fourth proportional to 127,227,764.70, 190,841,647.05 and 45,438,994.80 is: 68,158,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227,764.70 : 190,841,647.05 = 45,438,994.80 : x
  2. Step 2: Convert to fraction form
    127,227,764.70/190,841,647.05 = 45,438,994.80/x
  3. Step 3: Cross multiply
    127,227,764.70x = 190,841,647.05 × 45,438,994.80
  4. Step 4: Simplify right side
    127,227,764.70x = 8,671,652,607,928,385
  5. Step 5: Solve for x
    x = 8,671,652,607,928,385/127,227,764.70
  6. Step 6: Final answer
    x = 68,158,492.20

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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.