Home / 66,430,172.08-91,673,694.91-37,061,510.61

Finding the Fourth Proportional to 66,430,172.08, 91,673,694.91 and 37,061,510.61

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Solution

The fourth proportional to 66,430,172.08, 91,673,694.91 and 37,061,510.61 is: 51,144,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,172.08 : 91,673,694.91 = 37,061,510.61 : x
  2. Step 2: Convert to fraction form
    66,430,172.08/91,673,694.91 = 37,061,510.61/x
  3. Step 3: Cross multiply
    66,430,172.08x = 91,673,694.91 × 37,061,510.61
  4. Step 4: Simplify right side
    66,430,172.08x = 3,397,565,616,954,971.50
  5. Step 5: Solve for x
    x = 3,397,565,616,954,971.50/66,430,172.08
  6. Step 6: Final answer
    x = 51,144,916.69

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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.