Home / 141,856,622.46-212,477,004.09-87,103,007.10

Finding the Fourth Proportional to 141,856,622.46, 212,477,004.09 and 87,103,007.10

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Solution

The fourth proportional to 141,856,622.46, 212,477,004.09 and 87,103,007.10 is: 130,465,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,856,622.46 : 212,477,004.09 = 87,103,007.10 : x
  2. Step 2: Convert to fraction form
    141,856,622.46/212,477,004.09 = 87,103,007.10/x
  3. Step 3: Cross multiply
    141,856,622.46x = 212,477,004.09 × 87,103,007.10
  4. Step 4: Simplify right side
    141,856,622.46x = 18,507,385,995,838,000
  5. Step 5: Solve for x
    x = 18,507,385,995,838,000/141,856,622.46
  6. Step 6: Final answer
    x = 130,465,435.27

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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.