Home / 118,663,918.80-178,047,028.44-64,065,662.88

Finding the Fourth Proportional to 118,663,918.80, 178,047,028.44 and 64,065,662.88

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Solution

The fourth proportional to 118,663,918.80, 178,047,028.44 and 64,065,662.88 is: 96,126,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,663,918.80 : 178,047,028.44 = 64,065,662.88 : x
  2. Step 2: Convert to fraction form
    118,663,918.80/178,047,028.44 = 64,065,662.88/x
  3. Step 3: Cross multiply
    118,663,918.80x = 178,047,028.44 × 64,065,662.88
  4. Step 4: Simplify right side
    118,663,918.80x = 11,406,700,900,822,812
  5. Step 5: Solve for x
    x = 11,406,700,900,822,812/118,663,918.80
  6. Step 6: Final answer
    x = 96,126,109.91

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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.