Home / 189,759,864.80-284,639,797.20-112,161,605.60

Finding the Fourth Proportional to 189,759,864.80, 284,639,797.20 and 112,161,605.60

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Solution

The fourth proportional to 189,759,864.80, 284,639,797.20 and 112,161,605.60 is: 168,242,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,759,864.80 : 284,639,797.20 = 112,161,605.60 : x
  2. Step 2: Convert to fraction form
    189,759,864.80/284,639,797.20 = 112,161,605.60/x
  3. Step 3: Cross multiply
    189,759,864.80x = 284,639,797.20 × 112,161,605.60
  4. Step 4: Simplify right side
    189,759,864.80x = 31,925,656,671,610,380
  5. Step 5: Solve for x
    x = 31,925,656,671,610,380/189,759,864.80
  6. Step 6: Final answer
    x = 168,242,408.40

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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.