Home / 134,568,242-185,704,248.58-72,688,580.90

Finding the Fourth Proportional to 134,568,242, 185,704,248.58 and 72,688,580.90

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Solution

The fourth proportional to 134,568,242, 185,704,248.58 and 72,688,580.90 is: 100,310,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,242 : 185,704,248.58 = 72,688,580.90 : x
  2. Step 2: Convert to fraction form
    134,568,242/185,704,248.58 = 72,688,580.90/x
  3. Step 3: Cross multiply
    134,568,242x = 185,704,248.58 × 72,688,580.90
  4. Step 4: Simplify right side
    134,568,242x = 13,498,578,296,381,042
  5. Step 5: Solve for x
    x = 13,498,578,296,381,042/134,568,242
  6. Step 6: Final answer
    x = 100,310,281.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.