Home / 69,119,334.16-103,678,291.14-39,954,615.80

Finding the Fourth Proportional to 69,119,334.16, 103,678,291.14 and 39,954,615.80

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Solution

The fourth proportional to 69,119,334.16, 103,678,291.14 and 39,954,615.80 is: 59,931,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119,334.16 : 103,678,291.14 = 39,954,615.80 : x
  2. Step 2: Convert to fraction form
    69,119,334.16/103,678,291.14 = 39,954,615.80/x
  3. Step 3: Cross multiply
    69,119,334.16x = 103,678,291.14 × 39,954,615.80
  4. Step 4: Simplify right side
    69,119,334.16x = 4,142,426,289,299,243.50
  5. Step 5: Solve for x
    x = 4,142,426,289,299,243.50/69,119,334.16
  6. Step 6: Final answer
    x = 59,931,513.22

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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.