Home / 100,752,005.80-151,128,008.70-94,780,037.80

Finding the Fourth Proportional to 100,752,005.80, 151,128,008.70 and 94,780,037.80

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Solution

The fourth proportional to 100,752,005.80, 151,128,008.70 and 94,780,037.80 is: 142,170,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,752,005.80 : 151,128,008.70 = 94,780,037.80 : x
  2. Step 2: Convert to fraction form
    100,752,005.80/151,128,008.70 = 94,780,037.80/x
  3. Step 3: Cross multiply
    100,752,005.80x = 151,128,008.70 × 94,780,037.80
  4. Step 4: Simplify right side
    100,752,005.80x = 14,323,918,377,224,728
  5. Step 5: Solve for x
    x = 14,323,918,377,224,728/100,752,005.80
  6. Step 6: Final answer
    x = 142,170,056.70

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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.