Home / 228,801,637.20-343,202,455.80-136,968,632.40

Finding the Fourth Proportional to 228,801,637.20, 343,202,455.80 and 136,968,632.40

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Solution

The fourth proportional to 228,801,637.20, 343,202,455.80 and 136,968,632.40 is: 205,452,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,801,637.20 : 343,202,455.80 = 136,968,632.40 : x
  2. Step 2: Convert to fraction form
    228,801,637.20/343,202,455.80 = 136,968,632.40/x
  3. Step 3: Cross multiply
    228,801,637.20x = 343,202,455.80 × 136,968,632.40
  4. Step 4: Simplify right side
    228,801,637.20x = 47,007,971,007,247,448
  5. Step 5: Solve for x
    x = 47,007,971,007,247,448/228,801,637.20
  6. Step 6: Final answer
    x = 205,452,948.60

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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.