Home / 118,703,611.40-178,055,417.10-106,988,289.80

Finding the Fourth Proportional to 118,703,611.40, 178,055,417.10 and 106,988,289.80

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Solution

The fourth proportional to 118,703,611.40, 178,055,417.10 and 106,988,289.80 is: 160,482,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703,611.40 : 178,055,417.10 = 106,988,289.80 : x
  2. Step 2: Convert to fraction form
    118,703,611.40/178,055,417.10 = 106,988,289.80/x
  3. Step 3: Cross multiply
    118,703,611.40x = 178,055,417.10 × 106,988,289.80
  4. Step 4: Simplify right side
    118,703,611.40x = 19,049,844,565,154,676
  5. Step 5: Solve for x
    x = 19,049,844,565,154,676/118,703,611.40
  6. Step 6: Final answer
    x = 160,482,434.70

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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.