Home / 48,507,551.20-72,761,326.80-29,107,986.40

Finding the Fourth Proportional to 48,507,551.20, 72,761,326.80 and 29,107,986.40

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Solution

The fourth proportional to 48,507,551.20, 72,761,326.80 and 29,107,986.40 is: 43,661,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507,551.20 : 72,761,326.80 = 29,107,986.40 : x
  2. Step 2: Convert to fraction form
    48,507,551.20/72,761,326.80 = 29,107,986.40/x
  3. Step 3: Cross multiply
    48,507,551.20x = 72,761,326.80 × 29,107,986.40
  4. Step 4: Simplify right side
    48,507,551.20x = 2,117,935,710,940,355.25
  5. Step 5: Solve for x
    x = 2,117,935,710,940,355.25/48,507,551.20
  6. Step 6: Final answer
    x = 43,661,979.60

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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.