Home / 52,507,984.20-78,761,976.30-14,169,436.80

Finding the Fourth Proportional to 52,507,984.20, 78,761,976.30 and 14,169,436.80

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Solution

The fourth proportional to 52,507,984.20, 78,761,976.30 and 14,169,436.80 is: 21,254,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,984.20 : 78,761,976.30 = 14,169,436.80 : x
  2. Step 2: Convert to fraction form
    52,507,984.20/78,761,976.30 = 14,169,436.80/x
  3. Step 3: Cross multiply
    52,507,984.20x = 78,761,976.30 × 14,169,436.80
  4. Step 4: Simplify right side
    52,507,984.20x = 1,116,012,845,425,947.88
  5. Step 5: Solve for x
    x = 1,116,012,845,425,947.88/52,507,984.20
  6. Step 6: Final answer
    x = 21,254,155.20

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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.