Home / 266,970,681.80-400,456,022.70-113,578,195.40

Finding the Fourth Proportional to 266,970,681.80, 400,456,022.70 and 113,578,195.40

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Solution

The fourth proportional to 266,970,681.80, 400,456,022.70 and 113,578,195.40 is: 170,367,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,970,681.80 : 400,456,022.70 = 113,578,195.40 : x
  2. Step 2: Convert to fraction form
    266,970,681.80/400,456,022.70 = 113,578,195.40/x
  3. Step 3: Cross multiply
    266,970,681.80x = 400,456,022.70 × 113,578,195.40
  4. Step 4: Simplify right side
    266,970,681.80x = 45,483,072,395,327,440
  5. Step 5: Solve for x
    x = 45,483,072,395,327,440/266,970,681.80
  6. Step 6: Final answer
    x = 170,367,293.10

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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.