Home / 188,710,738.64-260,501,171.40-126,866,946

Finding the Fourth Proportional to 188,710,738.64, 260,501,171.40 and 126,866,946

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Solution

The fourth proportional to 188,710,738.64, 260,501,171.40 and 126,866,946 is: 175,130,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,710,738.64 : 260,501,171.40 = 126,866,946 : x
  2. Step 2: Convert to fraction form
    188,710,738.64/260,501,171.40 = 126,866,946/x
  3. Step 3: Cross multiply
    188,710,738.64x = 260,501,171.40 × 126,866,946
  4. Step 4: Simplify right side
    188,710,738.64x = 33,048,988,044,940,544
  5. Step 5: Solve for x
    x = 33,048,988,044,940,544/188,710,738.64
  6. Step 6: Final answer
    x = 175,130,404.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.