Home / 61,247,620.10-91,871,430.16-18,113,466.62

Finding the Fourth Proportional to 61,247,620.10, 91,871,430.16 and 18,113,466.62

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Solution

The fourth proportional to 61,247,620.10, 91,871,430.16 and 18,113,466.62 is: 27,170,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247,620.10 : 91,871,430.16 = 18,113,466.62 : x
  2. Step 2: Convert to fraction form
    61,247,620.10/91,871,430.16 = 18,113,466.62/x
  3. Step 3: Cross multiply
    61,247,620.10x = 91,871,430.16 × 18,113,466.62
  4. Step 4: Simplify right side
    61,247,620.10x = 1,664,110,083,534,821.25
  5. Step 5: Solve for x
    x = 1,664,110,083,534,821.25/61,247,620.10
  6. Step 6: Final answer
    x = 27,170,199.93

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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.