Home / 92,284,475.16-138,509,916.30-49,189,572.12

Finding the Fourth Proportional to 92,284,475.16, 138,509,916.30 and 49,189,572.12

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Solution

The fourth proportional to 92,284,475.16, 138,509,916.30 and 49,189,572.12 is: 73,828,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,284,475.16 : 138,509,916.30 = 49,189,572.12 : x
  2. Step 2: Convert to fraction form
    92,284,475.16/138,509,916.30 = 49,189,572.12/x
  3. Step 3: Cross multiply
    92,284,475.16x = 138,509,916.30 × 49,189,572.12
  4. Step 4: Simplify right side
    92,284,475.16x = 6,813,243,517,174,014
  5. Step 5: Solve for x
    x = 6,813,243,517,174,014/92,284,475.16
  6. Step 6: Final answer
    x = 73,828,707.43

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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.