Home / 155,578,692.88-233,393,365.83-72,663,360.34

Finding the Fourth Proportional to 155,578,692.88, 233,393,365.83 and 72,663,360.34

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Solution

The fourth proportional to 155,578,692.88, 233,393,365.83 and 72,663,360.34 is: 109,006,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,578,692.88 : 233,393,365.83 = 72,663,360.34 : x
  2. Step 2: Convert to fraction form
    155,578,692.88/233,393,365.83 = 72,663,360.34/x
  3. Step 3: Cross multiply
    155,578,692.88x = 233,393,365.83 × 72,663,360.34
  4. Step 4: Simplify right side
    155,578,692.88x = 16,959,146,242,270,734
  5. Step 5: Solve for x
    x = 16,959,146,242,270,734/155,578,692.88
  6. Step 6: Final answer
    x = 109,006,869.31

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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.