Home / 132,100,533.80-198,150,800.70-86,184,031.40

Finding the Fourth Proportional to 132,100,533.80, 198,150,800.70 and 86,184,031.40

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Solution

The fourth proportional to 132,100,533.80, 198,150,800.70 and 86,184,031.40 is: 129,276,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100,533.80 : 198,150,800.70 = 86,184,031.40 : x
  2. Step 2: Convert to fraction form
    132,100,533.80/198,150,800.70 = 86,184,031.40/x
  3. Step 3: Cross multiply
    132,100,533.80x = 198,150,800.70 × 86,184,031.40
  4. Step 4: Simplify right side
    132,100,533.80x = 17,077,434,829,463,942
  5. Step 5: Solve for x
    x = 17,077,434,829,463,942/132,100,533.80
  6. Step 6: Final answer
    x = 129,276,047.10

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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.