Home / 162,845,513.10-244,268,269.65-86,318,009.10

Finding the Fourth Proportional to 162,845,513.10, 244,268,269.65 and 86,318,009.10

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Solution

The fourth proportional to 162,845,513.10, 244,268,269.65 and 86,318,009.10 is: 129,477,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,845,513.10 : 244,268,269.65 = 86,318,009.10 : x
  2. Step 2: Convert to fraction form
    162,845,513.10/244,268,269.65 = 86,318,009.10/x
  3. Step 3: Cross multiply
    162,845,513.10x = 244,268,269.65 × 86,318,009.10
  4. Step 4: Simplify right side
    162,845,513.10x = 21,084,750,722,489,952
  5. Step 5: Solve for x
    x = 21,084,750,722,489,952/162,845,513.10
  6. Step 6: Final answer
    x = 129,477,013.65

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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.