Home / 104,868,110.80-157,302,166.20-66,698,837.20

Finding the Fourth Proportional to 104,868,110.80, 157,302,166.20 and 66,698,837.20

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Solution

The fourth proportional to 104,868,110.80, 157,302,166.20 and 66,698,837.20 is: 100,048,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,868,110.80 : 157,302,166.20 = 66,698,837.20 : x
  2. Step 2: Convert to fraction form
    104,868,110.80/157,302,166.20 = 66,698,837.20/x
  3. Step 3: Cross multiply
    104,868,110.80x = 157,302,166.20 × 66,698,837.20
  4. Step 4: Simplify right side
    104,868,110.80x = 10,491,871,574,581,142
  5. Step 5: Solve for x
    x = 10,491,871,574,581,142/104,868,110.80
  6. Step 6: Final answer
    x = 100,048,255.80

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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.