Home / 132,927,999.20-199,391,998.80-52,151,602.40

Finding the Fourth Proportional to 132,927,999.20, 199,391,998.80 and 52,151,602.40

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Solution

The fourth proportional to 132,927,999.20, 199,391,998.80 and 52,151,602.40 is: 78,227,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,927,999.20 : 199,391,998.80 = 52,151,602.40 : x
  2. Step 2: Convert to fraction form
    132,927,999.20/199,391,998.80 = 52,151,602.40/x
  3. Step 3: Cross multiply
    132,927,999.20x = 199,391,998.80 × 52,151,602.40
  4. Step 4: Simplify right side
    132,927,999.20x = 10,398,612,243,158,878
  5. Step 5: Solve for x
    x = 10,398,612,243,158,878/132,927,999.20
  6. Step 6: Final answer
    x = 78,227,403.60

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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.