Home / 158,698,131.61-218,983,590.19-88,124,146.51

Finding the Fourth Proportional to 158,698,131.61, 218,983,590.19 and 88,124,146.51

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Solution

The fourth proportional to 158,698,131.61, 218,983,590.19 and 88,124,146.51 is: 121,600,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,698,131.61 : 218,983,590.19 = 88,124,146.51 : x
  2. Step 2: Convert to fraction form
    158,698,131.61/218,983,590.19 = 88,124,146.51/x
  3. Step 3: Cross multiply
    158,698,131.61x = 218,983,590.19 × 88,124,146.51
  4. Step 4: Simplify right side
    158,698,131.61x = 19,297,741,984,670,240
  5. Step 5: Solve for x
    x = 19,297,741,984,670,240/158,698,131.61
  6. Step 6: Final answer
    x = 121,600,309.90

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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.