Home / 549,072,870.12-823,608,644.22-140,129,064.36

Finding the Fourth Proportional to 549,072,870.12, 823,608,644.22 and 140,129,064.36

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Solution

The fourth proportional to 549,072,870.12, 823,608,644.22 and 140,129,064.36 is: 210,193,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,072,870.12 : 823,608,644.22 = 140,129,064.36 : x
  2. Step 2: Convert to fraction form
    549,072,870.12/823,608,644.22 = 140,129,064.36/x
  3. Step 3: Cross multiply
    549,072,870.12x = 823,608,644.22 × 140,129,064.36
  4. Step 4: Simplify right side
    549,072,870.12x = 115,411,508,713,356,736
  5. Step 5: Solve for x
    x = 115,411,508,713,356,736/549,072,870.12
  6. Step 6: Final answer
    x = 210,193,427.86

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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.