Home / 133,020,352.80-199,530,529.20-81,736,077.60

Finding the Fourth Proportional to 133,020,352.80, 199,530,529.20 and 81,736,077.60

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Solution

The fourth proportional to 133,020,352.80, 199,530,529.20 and 81,736,077.60 is: 122,604,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,352.80 : 199,530,529.20 = 81,736,077.60 : x
  2. Step 2: Convert to fraction form
    133,020,352.80/199,530,529.20 = 81,736,077.60/x
  3. Step 3: Cross multiply
    133,020,352.80x = 199,530,529.20 × 81,736,077.60
  4. Step 4: Simplify right side
    133,020,352.80x = 16,308,842,818,260,264
  5. Step 5: Solve for x
    x = 16,308,842,818,260,264/133,020,352.80
  6. Step 6: Final answer
    x = 122,604,116.40

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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.