Home / 199,360,981.60-299,175,219.60-69,968,341.60

Finding the Fourth Proportional to 199,360,981.60, 299,175,219.60 and 69,968,341.60

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Solution

The fourth proportional to 199,360,981.60, 299,175,219.60 and 69,968,341.60 is: 104,999,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,360,981.60 : 299,175,219.60 = 69,968,341.60 : x
  2. Step 2: Convert to fraction form
    199,360,981.60/299,175,219.60 = 69,968,341.60/x
  3. Step 3: Cross multiply
    199,360,981.60x = 299,175,219.60 × 69,968,341.60
  4. Step 4: Simplify right side
    199,360,981.60x = 20,932,793,963,227,816
  5. Step 5: Solve for x
    x = 20,932,793,963,227,816/199,360,981.60
  6. Step 6: Final answer
    x = 104,999,452.73

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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.