Home / 134,568,412.92-185,704,484.76-72,688,752

Finding the Fourth Proportional to 134,568,412.92, 185,704,484.76 and 72,688,752

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Solution

The fourth proportional to 134,568,412.92, 185,704,484.76 and 72,688,752 is: 100,310,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,412.92 : 185,704,484.76 = 72,688,752 : x
  2. Step 2: Convert to fraction form
    134,568,412.92/185,704,484.76 = 72,688,752/x
  3. Step 3: Cross multiply
    134,568,412.92x = 185,704,484.76 × 72,688,752
  4. Step 4: Simplify right side
    134,568,412.92x = 13,498,627,238,007,418
  5. Step 5: Solve for x
    x = 13,498,627,238,007,418/134,568,412.92
  6. Step 6: Final answer
    x = 100,310,518.23

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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.