Home / 258,659,816.60-388,139,024.10-97,118,082.20

Finding the Fourth Proportional to 258,659,816.60, 388,139,024.10 and 97,118,082.20

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Solution

The fourth proportional to 258,659,816.60, 388,139,024.10 and 97,118,082.20 is: 145,733,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,659,816.60 : 388,139,024.10 = 97,118,082.20 : x
  2. Step 2: Convert to fraction form
    258,659,816.60/388,139,024.10 = 97,118,082.20/x
  3. Step 3: Cross multiply
    258,659,816.60x = 388,139,024.10 × 97,118,082.20
  4. Step 4: Simplify right side
    258,659,816.60x = 37,695,317,647,571,584
  5. Step 5: Solve for x
    x = 37,695,317,647,571,584/258,659,816.60
  6. Step 6: Final answer
    x = 145,733,180.14

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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.