Home / 200,905,526.43-301,205,008.28-91,654,293.78

Finding the Fourth Proportional to 200,905,526.43, 301,205,008.28 and 91,654,293.78

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Solution

The fourth proportional to 200,905,526.43, 301,205,008.28 and 91,654,293.78 is: 137,411,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,905,526.43 : 301,205,008.28 = 91,654,293.78 : x
  2. Step 2: Convert to fraction form
    200,905,526.43/301,205,008.28 = 91,654,293.78/x
  3. Step 3: Cross multiply
    200,905,526.43x = 301,205,008.28 × 91,654,293.78
  4. Step 4: Simplify right side
    200,905,526.43x = 27,606,732,316,902,452
  5. Step 5: Solve for x
    x = 27,606,732,316,902,452/200,905,526.43
  6. Step 6: Final answer
    x = 137,411,512.80

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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.