Home / 84,981,645.80-127,304,507.10-46,574,426.60

Finding the Fourth Proportional to 84,981,645.80, 127,304,507.10 and 46,574,426.60

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Solution

The fourth proportional to 84,981,645.80, 127,304,507.10 and 46,574,426.60 is: 69,769,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,981,645.80 : 127,304,507.10 = 46,574,426.60 : x
  2. Step 2: Convert to fraction form
    84,981,645.80/127,304,507.10 = 46,574,426.60/x
  3. Step 3: Cross multiply
    84,981,645.80x = 127,304,507.10 × 46,574,426.60
  4. Step 4: Simplify right side
    84,981,645.80x = 5,929,134,421,778,129
  5. Step 5: Solve for x
    x = 5,929,134,421,778,129/84,981,645.80
  6. Step 6: Final answer
    x = 69,769,588.08

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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.