Home / 98,821,747.37-136,374,024.08-54,771,590.07

Finding the Fourth Proportional to 98,821,747.37, 136,374,024.08 and 54,771,590.07

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Solution

The fourth proportional to 98,821,747.37, 136,374,024.08 and 54,771,590.07 is: 75,584,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821,747.37 : 136,374,024.08 = 54,771,590.07 : x
  2. Step 2: Convert to fraction form
    98,821,747.37/136,374,024.08 = 54,771,590.07/x
  3. Step 3: Cross multiply
    98,821,747.37x = 136,374,024.08 × 54,771,590.07
  4. Step 4: Simplify right side
    98,821,747.37x = 7,469,422,142,935,182
  5. Step 5: Solve for x
    x = 7,469,422,142,935,182/98,821,747.37
  6. Step 6: Final answer
    x = 75,584,801.34

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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.