Home / 243,590,647.48-336,154,733.80-132,081,285.68

Finding the Fourth Proportional to 243,590,647.48, 336,154,733.80 and 132,081,285.68

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Solution

The fourth proportional to 243,590,647.48, 336,154,733.80 and 132,081,285.68 is: 182,271,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,590,647.48 : 336,154,733.80 = 132,081,285.68 : x
  2. Step 2: Convert to fraction form
    243,590,647.48/336,154,733.80 = 132,081,285.68/x
  3. Step 3: Cross multiply
    243,590,647.48x = 336,154,733.80 × 132,081,285.68
  4. Step 4: Simplify right side
    243,590,647.48x = 44,399,749,427,722,152
  5. Step 5: Solve for x
    x = 44,399,749,427,722,152/243,590,647.48
  6. Step 6: Final answer
    x = 182,271,979.19

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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.