Home / 208,726,150.05-312,988,331.48-77,477,923.17

Finding the Fourth Proportional to 208,726,150.05, 312,988,331.48 and 77,477,923.17

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Solution

The fourth proportional to 208,726,150.05, 312,988,331.48 and 77,477,923.17 is: 116,179,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,726,150.05 : 312,988,331.48 = 77,477,923.17 : x
  2. Step 2: Convert to fraction form
    208,726,150.05/312,988,331.48 = 77,477,923.17/x
  3. Step 3: Cross multiply
    208,726,150.05x = 312,988,331.48 × 77,477,923.17
  4. Step 4: Simplify right side
    208,726,150.05x = 24,249,685,899,126,544
  5. Step 5: Solve for x
    x = 24,249,685,899,126,544/208,726,150.05
  6. Step 6: Final answer
    x = 116,179,433.64

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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.