Home / 202,416,289.92-303,643,100.16-66,102,387.84

Finding the Fourth Proportional to 202,416,289.92, 303,643,100.16 and 66,102,387.84

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Solution

The fourth proportional to 202,416,289.92, 303,643,100.16 and 66,102,387.84 is: 99,159,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,416,289.92 : 303,643,100.16 = 66,102,387.84 : x
  2. Step 2: Convert to fraction form
    202,416,289.92/303,643,100.16 = 66,102,387.84/x
  3. Step 3: Cross multiply
    202,416,289.92x = 303,643,100.16 × 66,102,387.84
  4. Step 4: Simplify right side
    202,416,289.92x = 20,071,533,971,716,288
  5. Step 5: Solve for x
    x = 20,071,533,971,716,288/202,416,289.92
  6. Step 6: Final answer
    x = 99,159,677.22

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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.