Home / 76,832,543.37-115,240,326.93-19,324,837.29

Finding the Fourth Proportional to 76,832,543.37, 115,240,326.93 and 19,324,837.29

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Solution

The fourth proportional to 76,832,543.37, 115,240,326.93 and 19,324,837.29 is: 28,985,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,832,543.37 : 115,240,326.93 = 19,324,837.29 : x
  2. Step 2: Convert to fraction form
    76,832,543.37/115,240,326.93 = 19,324,837.29/x
  3. Step 3: Cross multiply
    76,832,543.37x = 115,240,326.93 × 19,324,837.29
  4. Step 4: Simplify right side
    76,832,543.37x = 2,227,000,567,168,655.25
  5. Step 5: Solve for x
    x = 2,227,000,567,168,655.25/76,832,543.37
  6. Step 6: Final answer
    x = 28,985,121.01

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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.