Home / 287,752,527.60-431,628,791.40-106,070,564.40

Finding the Fourth Proportional to 287,752,527.60, 431,628,791.40 and 106,070,564.40

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Solution

The fourth proportional to 287,752,527.60, 431,628,791.40 and 106,070,564.40 is: 159,105,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,752,527.60 : 431,628,791.40 = 106,070,564.40 : x
  2. Step 2: Convert to fraction form
    287,752,527.60/431,628,791.40 = 106,070,564.40/x
  3. Step 3: Cross multiply
    287,752,527.60x = 431,628,791.40 × 106,070,564.40
  4. Step 4: Simplify right side
    287,752,527.60x = 45,783,109,515,087,864
  5. Step 5: Solve for x
    x = 45,783,109,515,087,864/287,752,527.60
  6. Step 6: Final answer
    x = 159,105,846.60

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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.