Home / 86,814,174.79-130,193,825.59-28,512,247.24

Finding the Fourth Proportional to 86,814,174.79, 130,193,825.59 and 28,512,247.24

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Solution

The fourth proportional to 86,814,174.79, 130,193,825.59 and 28,512,247.24 is: 42,759,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,814,174.79 : 130,193,825.59 = 28,512,247.24 : x
  2. Step 2: Convert to fraction form
    86,814,174.79/130,193,825.59 = 28,512,247.24/x
  3. Step 3: Cross multiply
    86,814,174.79x = 130,193,825.59 × 28,512,247.24
  4. Step 4: Simplify right side
    86,814,174.79x = 3,712,118,544,343,519
  5. Step 5: Solve for x
    x = 3,712,118,544,343,519/86,814,174.79
  6. Step 6: Final answer
    x = 42,759,359.90

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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.