Home / 314,441,947.12-433,962,177.03-189,034,742.20

Finding the Fourth Proportional to 314,441,947.12, 433,962,177.03 and 189,034,742.20

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Solution

The fourth proportional to 314,441,947.12, 433,962,177.03 and 189,034,742.20 is: 260,887,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,441,947.12 : 433,962,177.03 = 189,034,742.20 : x
  2. Step 2: Convert to fraction form
    314,441,947.12/433,962,177.03 = 189,034,742.20/x
  3. Step 3: Cross multiply
    314,441,947.12x = 433,962,177.03 × 189,034,742.20
  4. Step 4: Simplify right side
    314,441,947.12x = 82,033,928,259,416,800
  5. Step 5: Solve for x
    x = 82,033,928,259,416,800/314,441,947.12
  6. Step 6: Final answer
    x = 260,887,356.19

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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.