Home / 230,905,858.80-318,529,275.89-142,771,683.36

Finding the Fourth Proportional to 230,905,858.80, 318,529,275.89 and 142,771,683.36

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Solution

The fourth proportional to 230,905,858.80, 318,529,275.89 and 142,771,683.36 is: 196,950,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,905,858.80 : 318,529,275.89 = 142,771,683.36 : x
  2. Step 2: Convert to fraction form
    230,905,858.80/318,529,275.89 = 142,771,683.36/x
  3. Step 3: Cross multiply
    230,905,858.80x = 318,529,275.89 × 142,771,683.36
  4. Step 4: Simplify right side
    230,905,858.80x = 45,476,960,918,737,792
  5. Step 5: Solve for x
    x = 45,476,960,918,737,792/230,905,858.80
  6. Step 6: Final answer
    x = 196,950,225.32

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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.