Home / 100,151,353.80-150,227,030.70-74,323,321.20

Finding the Fourth Proportional to 100,151,353.80, 150,227,030.70 and 74,323,321.20

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Solution

The fourth proportional to 100,151,353.80, 150,227,030.70 and 74,323,321.20 is: 111,484,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,151,353.80 : 150,227,030.70 = 74,323,321.20 : x
  2. Step 2: Convert to fraction form
    100,151,353.80/150,227,030.70 = 74,323,321.20/x
  3. Step 3: Cross multiply
    100,151,353.80x = 150,227,030.70 × 74,323,321.20
  4. Step 4: Simplify right side
    100,151,353.80x = 11,165,371,855,638,360
  5. Step 5: Solve for x
    x = 11,165,371,855,638,360/100,151,353.80
  6. Step 6: Final answer
    x = 111,484,981.80

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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.