Home / 207,200,090.10-310,912,109.55-92,202,381.30

Finding the Fourth Proportional to 207,200,090.10, 310,912,109.55 and 92,202,381.30

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Solution

The fourth proportional to 207,200,090.10, 310,912,109.55 and 92,202,381.30 is: 138,353,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,200,090.10 : 310,912,109.55 = 92,202,381.30 : x
  2. Step 2: Convert to fraction form
    207,200,090.10/310,912,109.55 = 92,202,381.30/x
  3. Step 3: Cross multiply
    207,200,090.10x = 310,912,109.55 × 92,202,381.30
  4. Step 4: Simplify right side
    207,200,090.10x = 28,666,836,875,516,472
  5. Step 5: Solve for x
    x = 28,666,836,875,516,472/207,200,090.10
  6. Step 6: Final answer
    x = 138,353,399.66

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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.