Home / 105,331,245.18-145,362,768.42-58,918,731.18

Finding the Fourth Proportional to 105,331,245.18, 145,362,768.42 and 58,918,731.18

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Solution

The fourth proportional to 105,331,245.18, 145,362,768.42 and 58,918,731.18 is: 81,311,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,331,245.18 : 145,362,768.42 = 58,918,731.18 : x
  2. Step 2: Convert to fraction form
    105,331,245.18/145,362,768.42 = 58,918,731.18/x
  3. Step 3: Cross multiply
    105,331,245.18x = 145,362,768.42 × 58,918,731.18
  4. Step 4: Simplify right side
    105,331,245.18x = 8,564,589,876,118,573
  5. Step 5: Solve for x
    x = 8,564,589,876,118,573/105,331,245.18
  6. Step 6: Final answer
    x = 81,311,009.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.