Home / 289,535,199.96-399,561,250.77-157,376,507.46

Finding the Fourth Proportional to 289,535,199.96, 399,561,250.77 and 157,376,507.46

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Solution

The fourth proportional to 289,535,199.96, 399,561,250.77 and 157,376,507.46 is: 217,181,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,535,199.96 : 399,561,250.77 = 157,376,507.46 : x
  2. Step 2: Convert to fraction form
    289,535,199.96/399,561,250.77 = 157,376,507.46/x
  3. Step 3: Cross multiply
    289,535,199.96x = 399,561,250.77 × 157,376,507.46
  4. Step 4: Simplify right side
    289,535,199.96x = 62,881,554,162,531,840
  5. Step 5: Solve for x
    x = 62,881,554,162,531,840/289,535,199.96
  6. Step 6: Final answer
    x = 217,181,034.19

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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.