Home / 203,868,862.74-305,820,909.28-56,316,371.04

Finding the Fourth Proportional to 203,868,862.74, 305,820,909.28 and 56,316,371.04

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Solution

The fourth proportional to 203,868,862.74, 305,820,909.28 and 56,316,371.04 is: 84,479,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,868,862.74 : 305,820,909.28 = 56,316,371.04 : x
  2. Step 2: Convert to fraction form
    203,868,862.74/305,820,909.28 = 56,316,371.04/x
  3. Step 3: Cross multiply
    203,868,862.74x = 305,820,909.28 × 56,316,371.04
  4. Step 4: Simplify right side
    203,868,862.74x = 17,222,723,798,802,658
  5. Step 5: Solve for x
    x = 17,222,723,798,802,658/203,868,862.74
  6. Step 6: Final answer
    x = 84,479,422.54

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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.