Home / 223,937,985,535.56-309,034,446,241.32-122,439,939,618.42

Finding the Fourth Proportional to 223,937,985,535.56, 309,034,446,241.32 and 122,439,939,618.42

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Solution

The fourth proportional to 223,937,985,535.56, 309,034,446,241.32 and 122,439,939,618.42 is: 168,967,130,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,937,985,535.56 : 309,034,446,241.32 = 122,439,939,618.42 : x
  2. Step 2: Convert to fraction form
    223,937,985,535.56/309,034,446,241.32 = 122,439,939,618.42/x
  3. Step 3: Cross multiply
    223,937,985,535.56x = 309,034,446,241.32 × 122,439,939,618.42
  4. Step 4: Simplify right side
    223,937,985,535.56x = 37,838,158,937,799,079,755,776
  5. Step 5: Solve for x
    x = 37,838,158,937,799,079,755,776/223,937,985,535.56
  6. Step 6: Final answer
    x = 168,967,130,999.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.