Home / 118,187,606.40-161,916,265.52-113,767,940

Finding the Fourth Proportional to 118,187,606.40, 161,916,265.52 and 113,767,940

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Solution

The fourth proportional to 118,187,606.40, 161,916,265.52 and 113,767,940 is: 155,861,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187,606.40 : 161,916,265.52 = 113,767,940 : x
  2. Step 2: Convert to fraction form
    118,187,606.40/161,916,265.52 = 113,767,940/x
  3. Step 3: Cross multiply
    118,187,606.40x = 161,916,265.52 × 113,767,940
  4. Step 4: Simplify right side
    118,187,606.40x = 18,420,879,980,703,432
  5. Step 5: Solve for x
    x = 18,420,879,980,703,432/118,187,606.40
  6. Step 6: Final answer
    x = 155,861,350.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.