Home / 57,640,792.22-86,461,083.18-18,779,198.32

Finding the Fourth Proportional to 57,640,792.22, 86,461,083.18 and 18,779,198.32

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Solution

The fourth proportional to 57,640,792.22, 86,461,083.18 and 18,779,198.32 is: 28,168,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640,792.22 : 86,461,083.18 = 18,779,198.32 : x
  2. Step 2: Convert to fraction form
    57,640,792.22/86,461,083.18 = 18,779,198.32/x
  3. Step 3: Cross multiply
    57,640,792.22x = 86,461,083.18 × 18,779,198.32
  4. Step 4: Simplify right side
    57,640,792.22x = 1,623,669,828,107,312.75
  5. Step 5: Solve for x
    x = 1,623,669,828,107,312.75/57,640,792.22
  6. Step 6: Final answer
    x = 28,168,763.22

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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.