Home / 130,206,402.36-179,833,964.67-85,751,099.82

Finding the Fourth Proportional to 130,206,402.36, 179,833,964.67 and 85,751,099.82

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Solution

The fourth proportional to 130,206,402.36, 179,833,964.67 and 85,751,099.82 is: 118,434,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,206,402.36 : 179,833,964.67 = 85,751,099.82 : x
  2. Step 2: Convert to fraction form
    130,206,402.36/179,833,964.67 = 85,751,099.82/x
  3. Step 3: Cross multiply
    130,206,402.36x = 179,833,964.67 × 85,751,099.82
  4. Step 4: Simplify right side
    130,206,402.36x = 15,420,960,255,443,520
  5. Step 5: Solve for x
    x = 15,420,960,255,443,520/130,206,402.36
  6. Step 6: Final answer
    x = 118,434,731.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.