Home / 132,950,896.80-199,445,007.60-42,065,008.80

Finding the Fourth Proportional to 132,950,896.80, 199,445,007.60 and 42,065,008.80

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Solution

The fourth proportional to 132,950,896.80, 199,445,007.60 and 42,065,008.80 is: 63,103,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,950,896.80 : 199,445,007.60 = 42,065,008.80 : x
  2. Step 2: Convert to fraction form
    132,950,896.80/199,445,007.60 = 42,065,008.80/x
  3. Step 3: Cross multiply
    132,950,896.80x = 199,445,007.60 × 42,065,008.80
  4. Step 4: Simplify right side
    132,950,896.80x = 8,389,655,999,810,066
  5. Step 5: Solve for x
    x = 8,389,655,999,810,066/132,950,896.80
  6. Step 6: Final answer
    x = 63,103,417.89

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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.