Home / 167,891,368.42-231,686,984.22-91,510,285.21

Finding the Fourth Proportional to 167,891,368.42, 231,686,984.22 and 91,510,285.21

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Solution

The fourth proportional to 167,891,368.42, 231,686,984.22 and 91,510,285.21 is: 126,282,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891,368.42 : 231,686,984.22 = 91,510,285.21 : x
  2. Step 2: Convert to fraction form
    167,891,368.42/231,686,984.22 = 91,510,285.21/x
  3. Step 3: Cross multiply
    167,891,368.42x = 231,686,984.22 × 91,510,285.21
  4. Step 4: Simplify right side
    167,891,368.42x = 21,201,742,005,992,732
  5. Step 5: Solve for x
    x = 21,201,742,005,992,732/167,891,368.42
  6. Step 6: Final answer
    x = 126,282,501.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.