Home / 124,608,855.30-187,081,572.60-72,846,501.90

Finding the Fourth Proportional to 124,608,855.30, 187,081,572.60 and 72,846,501.90

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Solution

The fourth proportional to 124,608,855.30, 187,081,572.60 and 72,846,501.90 is: 109,368,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608,855.30 : 187,081,572.60 = 72,846,501.90 : x
  2. Step 2: Convert to fraction form
    124,608,855.30/187,081,572.60 = 72,846,501.90/x
  3. Step 3: Cross multiply
    124,608,855.30x = 187,081,572.60 × 72,846,501.90
  4. Step 4: Simplify right side
    124,608,855.30x = 13,628,238,133,860,888
  5. Step 5: Solve for x
    x = 13,628,238,133,860,888/124,608,855.30
  6. Step 6: Final answer
    x = 109,368,135.20

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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.