Home / 132,100,532.80-198,150,799.20-86,184,030.40

Finding the Fourth Proportional to 132,100,532.80, 198,150,799.20 and 86,184,030.40

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Solution

The fourth proportional to 132,100,532.80, 198,150,799.20 and 86,184,030.40 is: 129,276,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100,532.80 : 198,150,799.20 = 86,184,030.40 : x
  2. Step 2: Convert to fraction form
    132,100,532.80/198,150,799.20 = 86,184,030.40/x
  3. Step 3: Cross multiply
    132,100,532.80x = 198,150,799.20 × 86,184,030.40
  4. Step 4: Simplify right side
    132,100,532.80x = 17,077,434,502,037,096
  5. Step 5: Solve for x
    x = 17,077,434,502,037,096/132,100,532.80
  6. Step 6: Final answer
    x = 129,276,045.60

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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.