Home / 177,916,643.40-266,352,417.90-132,678,985.80

Finding the Fourth Proportional to 177,916,643.40, 266,352,417.90 and 132,678,985.80

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Solution

The fourth proportional to 177,916,643.40, 266,352,417.90 and 132,678,985.80 is: 198,628,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,916,643.40 : 266,352,417.90 = 132,678,985.80 : x
  2. Step 2: Convert to fraction form
    177,916,643.40/266,352,417.90 = 132,678,985.80/x
  3. Step 3: Cross multiply
    177,916,643.40x = 266,352,417.90 × 132,678,985.80
  4. Step 4: Simplify right side
    177,916,643.40x = 35,339,368,672,349,764
  5. Step 5: Solve for x
    x = 35,339,368,672,349,764/177,916,643.40
  6. Step 6: Final answer
    x = 198,628,796.03

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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.