Home / 100,768,006.80-151,174,128.60-49,674,502.80

Finding the Fourth Proportional to 100,768,006.80, 151,174,128.60 and 49,674,502.80

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Solution

The fourth proportional to 100,768,006.80, 151,174,128.60 and 49,674,502.80 is: 74,522,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,768,006.80 : 151,174,128.60 = 49,674,502.80 : x
  2. Step 2: Convert to fraction form
    100,768,006.80/151,174,128.60 = 49,674,502.80/x
  3. Step 3: Cross multiply
    100,768,006.80x = 151,174,128.60 × 49,674,502.80
  4. Step 4: Simplify right side
    100,768,006.80x = 7,509,499,674,428,259
  5. Step 5: Solve for x
    x = 7,509,499,674,428,259/100,768,006.80
  6. Step 6: Final answer
    x = 74,522,657.67

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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.