Home / 57,775,036.38-86,672,297.64-19,427,434.80

Finding the Fourth Proportional to 57,775,036.38, 86,672,297.64 and 19,427,434.80

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Solution

The fourth proportional to 57,775,036.38, 86,672,297.64 and 19,427,434.80 is: 29,144,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775,036.38 : 86,672,297.64 = 19,427,434.80 : x
  2. Step 2: Convert to fraction form
    57,775,036.38/86,672,297.64 = 19,427,434.80/x
  3. Step 3: Cross multiply
    57,775,036.38x = 86,672,297.64 × 19,427,434.80
  4. Step 4: Simplify right side
    57,775,036.38x = 1,683,820,411,367,294
  5. Step 5: Solve for x
    x = 1,683,820,411,367,294/57,775,036.38
  6. Step 6: Final answer
    x = 29,144,428.40

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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.