Home / 79,581,362.12-109,821,154.80-44,773,969.52

Finding the Fourth Proportional to 79,581,362.12, 109,821,154.80 and 44,773,969.52

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Solution

The fourth proportional to 79,581,362.12, 109,821,154.80 and 44,773,969.52 is: 61,787,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,581,362.12 : 109,821,154.80 = 44,773,969.52 : x
  2. Step 2: Convert to fraction form
    79,581,362.12/109,821,154.80 = 44,773,969.52/x
  3. Step 3: Cross multiply
    79,581,362.12x = 109,821,154.80 × 44,773,969.52
  4. Step 4: Simplify right side
    79,581,362.12x = 4,917,129,037,117,296
  5. Step 5: Solve for x
    x = 4,917,129,037,117,296/79,581,362.12
  6. Step 6: Final answer
    x = 61,787,445.03

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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.