Home / 69,988,958,614.68-96,574,372,928.72-42,508,244,685.66

Finding the Fourth Proportional to 69,988,958,614.68, 96,574,372,928.72 and 42,508,244,685.66

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Solution

The fourth proportional to 69,988,958,614.68, 96,574,372,928.72 and 42,508,244,685.66 is: 58,655,067,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,988,958,614.68 : 96,574,372,928.72 = 42,508,244,685.66 : x
  2. Step 2: Convert to fraction form
    69,988,958,614.68/96,574,372,928.72 = 42,508,244,685.66/x
  3. Step 3: Cross multiply
    69,988,958,614.68x = 96,574,372,928.72 × 42,508,244,685.66
  4. Step 4: Simplify right side
    69,988,958,614.68x = 4,105,207,074,818,209,349,632
  5. Step 5: Solve for x
    x = 4,105,207,074,818,209,349,632/69,988,958,614.68
  6. Step 6: Final answer
    x = 58,655,067,257.38

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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.