Home / 85,538,067.40-128,312,016.30-24,963,142.60

Finding the Fourth Proportional to 85,538,067.40, 128,312,016.30 and 24,963,142.60

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Solution

The fourth proportional to 85,538,067.40, 128,312,016.30 and 24,963,142.60 is: 37,446,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,538,067.40 : 128,312,016.30 = 24,963,142.60 : x
  2. Step 2: Convert to fraction form
    85,538,067.40/128,312,016.30 = 24,963,142.60/x
  3. Step 3: Cross multiply
    85,538,067.40x = 128,312,016.30 × 24,963,142.60
  4. Step 4: Simplify right side
    85,538,067.40x = 3,203,071,160,190,424.50
  5. Step 5: Solve for x
    x = 3,203,071,160,190,424.50/85,538,067.40
  6. Step 6: Final answer
    x = 37,446,148.34

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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.