Home / 161,642,325.20-242,463,487.80-70,943,061.20

Finding the Fourth Proportional to 161,642,325.20, 242,463,487.80 and 70,943,061.20

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Solution

The fourth proportional to 161,642,325.20, 242,463,487.80 and 70,943,061.20 is: 106,414,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,642,325.20 : 242,463,487.80 = 70,943,061.20 : x
  2. Step 2: Convert to fraction form
    161,642,325.20/242,463,487.80 = 70,943,061.20/x
  3. Step 3: Cross multiply
    161,642,325.20x = 242,463,487.80 × 70,943,061.20
  4. Step 4: Simplify right side
    161,642,325.20x = 17,201,102,053,760,854
  5. Step 5: Solve for x
    x = 17,201,102,053,760,854/161,642,325.20
  6. Step 6: Final answer
    x = 106,414,591.80

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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.