Home / 177,804,048.40-266,706,072.60-75,571,421.20

Finding the Fourth Proportional to 177,804,048.40, 266,706,072.60 and 75,571,421.20

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Solution

The fourth proportional to 177,804,048.40, 266,706,072.60 and 75,571,421.20 is: 113,357,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,804,048.40 : 266,706,072.60 = 75,571,421.20 : x
  2. Step 2: Convert to fraction form
    177,804,048.40/266,706,072.60 = 75,571,421.20/x
  3. Step 3: Cross multiply
    177,804,048.40x = 266,706,072.60 × 75,571,421.20
  4. Step 4: Simplify right side
    177,804,048.40x = 20,155,356,949,052,380
  5. Step 5: Solve for x
    x = 20,155,356,949,052,380/177,804,048.40
  6. Step 6: Final answer
    x = 113,357,131.80

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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.