Home / 145,169,969.80-217,503,012.30-122,495,153.80

Finding the Fourth Proportional to 145,169,969.80, 217,503,012.30 and 122,495,153.80

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Solution

The fourth proportional to 145,169,969.80, 217,503,012.30 and 122,495,153.80 is: 183,530,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,169,969.80 : 217,503,012.30 = 122,495,153.80 : x
  2. Step 2: Convert to fraction form
    145,169,969.80/217,503,012.30 = 122,495,153.80/x
  3. Step 3: Cross multiply
    145,169,969.80x = 217,503,012.30 × 122,495,153.80
  4. Step 4: Simplify right side
    145,169,969.80x = 26,643,064,943,651,792
  5. Step 5: Solve for x
    x = 26,643,064,943,651,792/145,169,969.80
  6. Step 6: Final answer
    x = 183,530,140.43

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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.