Home / 153,514,684.05-211,952,523.59-90,810,925.75

Finding the Fourth Proportional to 153,514,684.05, 211,952,523.59 and 90,810,925.75

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Solution

The fourth proportional to 153,514,684.05, 211,952,523.59 and 90,810,925.75 is: 125,379,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,514,684.05 : 211,952,523.59 = 90,810,925.75 : x
  2. Step 2: Convert to fraction form
    153,514,684.05/211,952,523.59 = 90,810,925.75/x
  3. Step 3: Cross multiply
    153,514,684.05x = 211,952,523.59 × 90,810,925.75
  4. Step 4: Simplify right side
    153,514,684.05x = 19,247,604,882,256,612
  5. Step 5: Solve for x
    x = 19,247,604,882,256,612/153,514,684.05
  6. Step 6: Final answer
    x = 125,379,568.75

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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.