Home / 51,084,206.72-70,486,923.16-30,179,642.88

Finding the Fourth Proportional to 51,084,206.72, 70,486,923.16 and 30,179,642.88

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Solution

The fourth proportional to 51,084,206.72, 70,486,923.16 and 30,179,642.88 is: 41,642,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084,206.72 : 70,486,923.16 = 30,179,642.88 : x
  2. Step 2: Convert to fraction form
    51,084,206.72/70,486,923.16 = 30,179,642.88/x
  3. Step 3: Cross multiply
    51,084,206.72x = 70,486,923.16 × 30,179,642.88
  4. Step 4: Simplify right side
    51,084,206.72x = 2,127,270,168,678,801
  5. Step 5: Solve for x
    x = 2,127,270,168,678,801/51,084,206.72
  6. Step 6: Final answer
    x = 41,642,423.47

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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.