Home / 104,098,153.20-143,720,765.10-66,992,913.42

Finding the Fourth Proportional to 104,098,153.20, 143,720,765.10 and 66,992,913.42

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Solution

The fourth proportional to 104,098,153.20, 143,720,765.10 and 66,992,913.42 is: 92,492,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,098,153.20 : 143,720,765.10 = 66,992,913.42 : x
  2. Step 2: Convert to fraction form
    104,098,153.20/143,720,765.10 = 66,992,913.42/x
  3. Step 3: Cross multiply
    104,098,153.20x = 143,720,765.10 × 66,992,913.42
  4. Step 4: Simplify right side
    104,098,153.20x = 9,628,272,773,000,458
  5. Step 5: Solve for x
    x = 9,628,272,773,000,458/104,098,153.20
  6. Step 6: Final answer
    x = 92,492,253.48

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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.