Home / 153,160,383.43-211,362,678.08-83,546,073.91

Finding the Fourth Proportional to 153,160,383.43, 211,362,678.08 and 83,546,073.91

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Solution

The fourth proportional to 153,160,383.43, 211,362,678.08 and 83,546,073.91 is: 115,294,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,160,383.43 : 211,362,678.08 = 83,546,073.91 : x
  2. Step 2: Convert to fraction form
    153,160,383.43/211,362,678.08 = 83,546,073.91/x
  3. Step 3: Cross multiply
    153,160,383.43x = 211,362,678.08 × 83,546,073.91
  4. Step 4: Simplify right side
    153,160,383.43x = 17,658,521,924,687,218
  5. Step 5: Solve for x
    x = 17,658,521,924,687,218/153,160,383.43
  6. Step 6: Final answer
    x = 115,294,317.82

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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.