Home / 236,172,851.20-354,259,276.80-209,298,995.20

Finding the Fourth Proportional to 236,172,851.20, 354,259,276.80 and 209,298,995.20

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Solution

The fourth proportional to 236,172,851.20, 354,259,276.80 and 209,298,995.20 is: 313,948,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,172,851.20 : 354,259,276.80 = 209,298,995.20 : x
  2. Step 2: Convert to fraction form
    236,172,851.20/354,259,276.80 = 209,298,995.20/x
  3. Step 3: Cross multiply
    236,172,851.20x = 354,259,276.80 × 209,298,995.20
  4. Step 4: Simplify right side
    236,172,851.20x = 74,146,110,674,518,672
  5. Step 5: Solve for x
    x = 74,146,110,674,518,672/236,172,851.20
  6. Step 6: Final answer
    x = 313,948,492.80

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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.