Home / 92,980,198.08-128,313,834.21-51,169,073.76

Finding the Fourth Proportional to 92,980,198.08, 128,313,834.21 and 51,169,073.76

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Solution

The fourth proportional to 92,980,198.08, 128,313,834.21 and 51,169,073.76 is: 70,613,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,980,198.08 : 128,313,834.21 = 51,169,073.76 : x
  2. Step 2: Convert to fraction form
    92,980,198.08/128,313,834.21 = 51,169,073.76/x
  3. Step 3: Cross multiply
    92,980,198.08x = 128,313,834.21 × 51,169,073.76
  4. Step 4: Simplify right side
    92,980,198.08x = 6,565,700,047,119,901
  5. Step 5: Solve for x
    x = 6,565,700,047,119,901/92,980,198.08
  6. Step 6: Final answer
    x = 70,613,960.64

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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.