Home / 199,288,422.60-298,988,621.10-97,055,795.40

Finding the Fourth Proportional to 199,288,422.60, 298,988,621.10 and 97,055,795.40

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Solution

The fourth proportional to 199,288,422.60, 298,988,621.10 and 97,055,795.40 is: 145,610,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288,422.60 : 298,988,621.10 = 97,055,795.40 : x
  2. Step 2: Convert to fraction form
    199,288,422.60/298,988,621.10 = 97,055,795.40/x
  3. Step 3: Cross multiply
    199,288,422.60x = 298,988,621.10 × 97,055,795.40
  4. Step 4: Simplify right side
    199,288,422.60x = 29,018,578,436,409,728
  5. Step 5: Solve for x
    x = 29,018,578,436,409,728/199,288,422.60
  6. Step 6: Final answer
    x = 145,610,959.52

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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.