Home / 163,570,162.60-245,146,847.10-86,929,906.60

Finding the Fourth Proportional to 163,570,162.60, 245,146,847.10 and 86,929,906.60

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Solution

The fourth proportional to 163,570,162.60, 245,146,847.10 and 86,929,906.60 is: 130,284,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,570,162.60 : 245,146,847.10 = 86,929,906.60 : x
  2. Step 2: Convert to fraction form
    163,570,162.60/245,146,847.10 = 86,929,906.60/x
  3. Step 3: Cross multiply
    163,570,162.60x = 245,146,847.10 × 86,929,906.60
  4. Step 4: Simplify right side
    163,570,162.60x = 21,310,592,521,687,480
  5. Step 5: Solve for x
    x = 21,310,592,521,687,480/163,570,162.60
  6. Step 6: Final answer
    x = 130,284,106.73

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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.