Home / 103,686,557.80-155,529,836.70-92,601,092.20

Finding the Fourth Proportional to 103,686,557.80, 155,529,836.70 and 92,601,092.20

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Solution

The fourth proportional to 103,686,557.80, 155,529,836.70 and 92,601,092.20 is: 138,901,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686,557.80 : 155,529,836.70 = 92,601,092.20 : x
  2. Step 2: Convert to fraction form
    103,686,557.80/155,529,836.70 = 92,601,092.20/x
  3. Step 3: Cross multiply
    103,686,557.80x = 155,529,836.70 × 92,601,092.20
  4. Step 4: Simplify right side
    103,686,557.80x = 14,402,232,748,107,644
  5. Step 5: Solve for x
    x = 14,402,232,748,107,644/103,686,557.80
  6. Step 6: Final answer
    x = 138,901,638.30

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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.