Home / 99,861,241.80-149,808,257.46-30,774,057.96

Finding the Fourth Proportional to 99,861,241.80, 149,808,257.46 and 30,774,057.96

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Solution

The fourth proportional to 99,861,241.80, 149,808,257.46 and 30,774,057.96 is: 46,166,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861,241.80 : 149,808,257.46 = 30,774,057.96 : x
  2. Step 2: Convert to fraction form
    99,861,241.80/149,808,257.46 = 30,774,057.96/x
  3. Step 3: Cross multiply
    99,861,241.80x = 149,808,257.46 × 30,774,057.96
  4. Step 4: Simplify right side
    99,861,241.80x = 4,610,207,997,960,643
  5. Step 5: Solve for x
    x = 4,610,207,997,960,643/99,861,241.80
  6. Step 6: Final answer
    x = 46,166,139.28

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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.