Home / 199,157,065.60-298,735,598.40-77,948,233.60

Finding the Fourth Proportional to 199,157,065.60, 298,735,598.40 and 77,948,233.60

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Solution

The fourth proportional to 199,157,065.60, 298,735,598.40 and 77,948,233.60 is: 116,922,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,157,065.60 : 298,735,598.40 = 77,948,233.60 : x
  2. Step 2: Convert to fraction form
    199,157,065.60/298,735,598.40 = 77,948,233.60/x
  3. Step 3: Cross multiply
    199,157,065.60x = 298,735,598.40 × 77,948,233.60
  4. Step 4: Simplify right side
    199,157,065.60x = 23,285,912,208,718,984
  5. Step 5: Solve for x
    x = 23,285,912,208,718,984/199,157,065.60
  6. Step 6: Final answer
    x = 116,922,350.40

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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.