Home / 161,764,405.80-242,646,608.70-89,960,821.80

Finding the Fourth Proportional to 161,764,405.80, 242,646,608.70 and 89,960,821.80

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Solution

The fourth proportional to 161,764,405.80, 242,646,608.70 and 89,960,821.80 is: 134,941,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764,405.80 : 242,646,608.70 = 89,960,821.80 : x
  2. Step 2: Convert to fraction form
    161,764,405.80/242,646,608.70 = 89,960,821.80/x
  3. Step 3: Cross multiply
    161,764,405.80x = 242,646,608.70 × 89,960,821.80
  4. Step 4: Simplify right side
    161,764,405.80x = 21,828,688,325,635,028
  5. Step 5: Solve for x
    x = 21,828,688,325,635,028/161,764,405.80
  6. Step 6: Final answer
    x = 134,941,232.70

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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.