Home / 55,413,312.80-83,127,842.40-17,070,828.80

Finding the Fourth Proportional to 55,413,312.80, 83,127,842.40 and 17,070,828.80

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Solution

The fourth proportional to 55,413,312.80, 83,127,842.40 and 17,070,828.80 is: 25,608,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413,312.80 : 83,127,842.40 = 17,070,828.80 : x
  2. Step 2: Convert to fraction form
    55,413,312.80/83,127,842.40 = 17,070,828.80/x
  3. Step 3: Cross multiply
    55,413,312.80x = 83,127,842.40 × 17,070,828.80
  4. Step 4: Simplify right side
    55,413,312.80x = 1,419,061,166,123,781.25
  5. Step 5: Solve for x
    x = 1,419,061,166,123,781.25/55,413,312.80
  6. Step 6: Final answer
    x = 25,608,668.65

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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.