Home / 549,067,899.74-823,601,154.09-140,124,059.42

Finding the Fourth Proportional to 549,067,899.74, 823,601,154.09 and 140,124,059.42

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Solution

The fourth proportional to 549,067,899.74, 823,601,154.09 and 140,124,059.42 is: 210,185,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,067,899.74 : 823,601,154.09 = 140,124,059.42 : x
  2. Step 2: Convert to fraction form
    549,067,899.74/823,601,154.09 = 140,124,059.42/x
  3. Step 3: Cross multiply
    549,067,899.74x = 823,601,154.09 × 140,124,059.42
  4. Step 4: Simplify right side
    549,067,899.74x = 115,406,337,054,087,728
  5. Step 5: Solve for x
    x = 115,406,337,054,087,728/549,067,899.74
  6. Step 6: Final answer
    x = 210,185,911.63

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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.