Home / 132,156,688.65-198,235,032.98-80,500,623.45

Finding the Fourth Proportional to 132,156,688.65, 198,235,032.98 and 80,500,623.45

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Solution

The fourth proportional to 132,156,688.65, 198,235,032.98 and 80,500,623.45 is: 120,750,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156,688.65 : 198,235,032.98 = 80,500,623.45 : x
  2. Step 2: Convert to fraction form
    132,156,688.65/198,235,032.98 = 80,500,623.45/x
  3. Step 3: Cross multiply
    132,156,688.65x = 198,235,032.98 × 80,500,623.45
  4. Step 4: Simplify right side
    132,156,688.65x = 15,958,043,744,118,808
  5. Step 5: Solve for x
    x = 15,958,043,744,118,808/132,156,688.65
  6. Step 6: Final answer
    x = 120,750,935.18

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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.