Home / 209,953,617.60-314,930,426.40-133,615,070.40

Finding the Fourth Proportional to 209,953,617.60, 314,930,426.40 and 133,615,070.40

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Solution

The fourth proportional to 209,953,617.60, 314,930,426.40 and 133,615,070.40 is: 200,422,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,617.60 : 314,930,426.40 = 133,615,070.40 : x
  2. Step 2: Convert to fraction form
    209,953,617.60/314,930,426.40 = 133,615,070.40/x
  3. Step 3: Cross multiply
    209,953,617.60x = 314,930,426.40 × 133,615,070.40
  4. Step 4: Simplify right side
    209,953,617.60x = 42,079,451,094,538,016
  5. Step 5: Solve for x
    x = 42,079,451,094,538,016/209,953,617.60
  6. Step 6: Final answer
    x = 200,422,605.60

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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.