Home / 133,161,829.13-199,723,966.77-45,721,962.63

Finding the Fourth Proportional to 133,161,829.13, 199,723,966.77 and 45,721,962.63

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Solution

The fourth proportional to 133,161,829.13, 199,723,966.77 and 45,721,962.63 is: 68,576,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,161,829.13 : 199,723,966.77 = 45,721,962.63 : x
  2. Step 2: Convert to fraction form
    133,161,829.13/199,723,966.77 = 45,721,962.63/x
  3. Step 3: Cross multiply
    133,161,829.13x = 199,723,966.77 × 45,721,962.63
  4. Step 4: Simplify right side
    133,161,829.13x = 9,131,771,745,550,810
  5. Step 5: Solve for x
    x = 9,131,771,745,550,810/133,161,829.13
  6. Step 6: Final answer
    x = 68,576,496.77

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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.