Home / 219,180,970.86-328,730,352.84-109,976,820.54

Finding the Fourth Proportional to 219,180,970.86, 328,730,352.84 and 109,976,820.54

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Solution

The fourth proportional to 219,180,970.86, 328,730,352.84 and 109,976,820.54 is: 164,944,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,180,970.86 : 328,730,352.84 = 109,976,820.54 : x
  2. Step 2: Convert to fraction form
    219,180,970.86/328,730,352.84 = 109,976,820.54/x
  3. Step 3: Cross multiply
    219,180,970.86x = 328,730,352.84 × 109,976,820.54
  4. Step 4: Simplify right side
    219,180,970.86x = 36,152,719,020,335,560
  5. Step 5: Solve for x
    x = 36,152,719,020,335,560/219,180,970.86
  6. Step 6: Final answer
    x = 164,944,606.63

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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.