Home / 258,259,748.40-387,389,622.60-94,497,188.40

Finding the Fourth Proportional to 258,259,748.40, 387,389,622.60 and 94,497,188.40

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Solution

The fourth proportional to 258,259,748.40, 387,389,622.60 and 94,497,188.40 is: 141,745,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,259,748.40 : 387,389,622.60 = 94,497,188.40 : x
  2. Step 2: Convert to fraction form
    258,259,748.40/387,389,622.60 = 94,497,188.40/x
  3. Step 3: Cross multiply
    258,259,748.40x = 387,389,622.60 × 94,497,188.40
  4. Step 4: Simplify right side
    258,259,748.40x = 36,607,230,151,037,104
  5. Step 5: Solve for x
    x = 36,607,230,151,037,104/258,259,748.40
  6. Step 6: Final answer
    x = 141,745,782.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.