Home / 153,514,685.05-211,952,524.97-90,810,926.75

Finding the Fourth Proportional to 153,514,685.05, 211,952,524.97 and 90,810,926.75

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Solution

The fourth proportional to 153,514,685.05, 211,952,524.97 and 90,810,926.75 is: 125,379,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,514,685.05 : 211,952,524.97 = 90,810,926.75 : x
  2. Step 2: Convert to fraction form
    153,514,685.05/211,952,524.97 = 90,810,926.75/x
  3. Step 3: Cross multiply
    153,514,685.05x = 211,952,524.97 × 90,810,926.75
  4. Step 4: Simplify right side
    153,514,685.05x = 19,247,605,219,528,216
  5. Step 5: Solve for x
    x = 19,247,605,219,528,216/153,514,685.05
  6. Step 6: Final answer
    x = 125,379,570.13

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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.