Home / 115,358,428.80-173,037,643.20-111,327,350.40

Finding the Fourth Proportional to 115,358,428.80, 173,037,643.20 and 111,327,350.40

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Solution

The fourth proportional to 115,358,428.80, 173,037,643.20 and 111,327,350.40 is: 166,991,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,358,428.80 : 173,037,643.20 = 111,327,350.40 : x
  2. Step 2: Convert to fraction form
    115,358,428.80/173,037,643.20 = 111,327,350.40/x
  3. Step 3: Cross multiply
    115,358,428.80x = 173,037,643.20 × 111,327,350.40
  4. Step 4: Simplify right side
    115,358,428.80x = 19,263,822,336,916,576
  5. Step 5: Solve for x
    x = 19,263,822,336,916,576/115,358,428.80
  6. Step 6: Final answer
    x = 166,991,025.60

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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.