Home / 92,310,780.16-138,231,790.64-55,399,435.74

Finding the Fourth Proportional to 92,310,780.16, 138,231,790.64 and 55,399,435.74

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Solution

The fourth proportional to 92,310,780.16, 138,231,790.64 and 55,399,435.74 is: 82,958,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,310,780.16 : 138,231,790.64 = 55,399,435.74 : x
  2. Step 2: Convert to fraction form
    92,310,780.16/138,231,790.64 = 55,399,435.74/x
  3. Step 3: Cross multiply
    92,310,780.16x = 138,231,790.64 × 55,399,435.74
  4. Step 4: Simplify right side
    92,310,780.16x = 7,657,963,202,785,813
  5. Step 5: Solve for x
    x = 7,657,963,202,785,813/92,310,780.16
  6. Step 6: Final answer
    x = 82,958,492.92

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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.