Home / 228,095,999.80-342,143,999.70-126,059,327.80

Finding the Fourth Proportional to 228,095,999.80, 342,143,999.70 and 126,059,327.80

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Solution

The fourth proportional to 228,095,999.80, 342,143,999.70 and 126,059,327.80 is: 189,088,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,095,999.80 : 342,143,999.70 = 126,059,327.80 : x
  2. Step 2: Convert to fraction form
    228,095,999.80/342,143,999.70 = 126,059,327.80/x
  3. Step 3: Cross multiply
    228,095,999.80x = 342,143,999.70 × 126,059,327.80
  4. Step 4: Simplify right side
    228,095,999.80x = 43,130,442,612,985,400
  5. Step 5: Solve for x
    x = 43,130,442,612,985,400/228,095,999.80
  6. Step 6: Final answer
    x = 189,088,991.70

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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.