Home / 119,186,187.60-178,904,377.80-105,626,087.76

Finding the Fourth Proportional to 119,186,187.60, 178,904,377.80 and 105,626,087.76

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Solution

The fourth proportional to 119,186,187.60, 178,904,377.80 and 105,626,087.76 is: 158,549,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,186,187.60 : 178,904,377.80 = 105,626,087.76 : x
  2. Step 2: Convert to fraction form
    119,186,187.60/178,904,377.80 = 105,626,087.76/x
  3. Step 3: Cross multiply
    119,186,187.60x = 178,904,377.80 × 105,626,087.76
  4. Step 4: Simplify right side
    119,186,187.60x = 18,896,969,510,150,996
  5. Step 5: Solve for x
    x = 18,896,969,510,150,996/119,186,187.60
  6. Step 6: Final answer
    x = 158,549,995.52

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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.