Home / 153,382,594.36-211,673,203.57-90,712,414.44

Finding the Fourth Proportional to 153,382,594.36, 211,673,203.57 and 90,712,414.44

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Solution

The fourth proportional to 153,382,594.36, 211,673,203.57 and 90,712,414.44 is: 125,186,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,594.36 : 211,673,203.57 = 90,712,414.44 : x
  2. Step 2: Convert to fraction form
    153,382,594.36/211,673,203.57 = 90,712,414.44/x
  3. Step 3: Cross multiply
    153,382,594.36x = 211,673,203.57 × 90,712,414.44
  4. Step 4: Simplify right side
    153,382,594.36x = 19,201,387,366,572,400
  5. Step 5: Solve for x
    x = 19,201,387,366,572,400/153,382,594.36
  6. Step 6: Final answer
    x = 125,186,221.07

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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.