Home / 266,579,130.68-399,886,241.55-69,847,361.13

Finding the Fourth Proportional to 266,579,130.68, 399,886,241.55 and 69,847,361.13

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Solution

The fourth proportional to 266,579,130.68, 399,886,241.55 and 69,847,361.13 is: 104,775,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,579,130.68 : 399,886,241.55 = 69,847,361.13 : x
  2. Step 2: Convert to fraction form
    266,579,130.68/399,886,241.55 = 69,847,361.13/x
  3. Step 3: Cross multiply
    266,579,130.68x = 399,886,241.55 × 69,847,361.13
  4. Step 4: Simplify right side
    266,579,130.68x = 27,930,998,725,698,908
  5. Step 5: Solve for x
    x = 27,930,998,725,698,908/266,579,130.68
  6. Step 6: Final answer
    x = 104,775,638.87

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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.