Home / 218,056,669.60-327,085,004.40-163,637,111.20

Finding the Fourth Proportional to 218,056,669.60, 327,085,004.40 and 163,637,111.20

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Solution

The fourth proportional to 218,056,669.60, 327,085,004.40 and 163,637,111.20 is: 245,455,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,056,669.60 : 327,085,004.40 = 163,637,111.20 : x
  2. Step 2: Convert to fraction form
    218,056,669.60/327,085,004.40 = 163,637,111.20/x
  3. Step 3: Cross multiply
    218,056,669.60x = 327,085,004.40 × 163,637,111.20
  4. Step 4: Simplify right side
    218,056,669.60x = 53,523,245,236,855,280
  5. Step 5: Solve for x
    x = 53,523,245,236,855,280/218,056,669.60
  6. Step 6: Final answer
    x = 245,455,666.80

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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.