Home / 104,012,168.52-143,467,678.10-66,889,381.60

Finding the Fourth Proportional to 104,012,168.52, 143,467,678.10 and 66,889,381.60

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Solution

The fourth proportional to 104,012,168.52, 143,467,678.10 and 66,889,381.60 is: 92,262,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012,168.52 : 143,467,678.10 = 66,889,381.60 : x
  2. Step 2: Convert to fraction form
    104,012,168.52/143,467,678.10 = 66,889,381.60/x
  3. Step 3: Cross multiply
    104,012,168.52x = 143,467,678.10 × 66,889,381.60
  4. Step 4: Simplify right side
    104,012,168.52x = 9,596,464,267,696,862
  5. Step 5: Solve for x
    x = 9,596,464,267,696,862/104,012,168.52
  6. Step 6: Final answer
    x = 92,262,899.66

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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.