Home / 549,067,892.49-823,601,143.21-140,124,052.17

Finding the Fourth Proportional to 549,067,892.49, 823,601,143.21 and 140,124,052.17

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Solution

The fourth proportional to 549,067,892.49, 823,601,143.21 and 140,124,052.17 is: 210,185,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,067,892.49 : 823,601,143.21 = 140,124,052.17 : x
  2. Step 2: Convert to fraction form
    549,067,892.49/823,601,143.21 = 140,124,052.17/x
  3. Step 3: Cross multiply
    549,067,892.49x = 823,601,143.21 × 140,124,052.17
  4. Step 4: Simplify right side
    549,067,892.49x = 115,406,329,559,124,688
  5. Step 5: Solve for x
    x = 115,406,329,559,124,688/549,067,892.49
  6. Step 6: Final answer
    x = 210,185,900.76

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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.