Home / 174,536,019.96-261,157,340.34-139,887,332.79

Finding the Fourth Proportional to 174,536,019.96, 261,157,340.34 and 139,887,332.79

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Solution

The fourth proportional to 174,536,019.96, 261,157,340.34 and 139,887,332.79 is: 209,312,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,536,019.96 : 261,157,340.34 = 139,887,332.79 : x
  2. Step 2: Convert to fraction form
    174,536,019.96/261,157,340.34 = 139,887,332.79/x
  3. Step 3: Cross multiply
    174,536,019.96x = 261,157,340.34 × 139,887,332.79
  4. Step 4: Simplify right side
    174,536,019.96x = 36,532,603,778,692,872
  5. Step 5: Solve for x
    x = 36,532,603,778,692,872/174,536,019.96
  6. Step 6: Final answer
    x = 209,312,689.65

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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.