Home / 216,347,118.70-298,574,175.82-122,269,960.11

Finding the Fourth Proportional to 216,347,118.70, 298,574,175.82 and 122,269,960.11

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Solution

The fourth proportional to 216,347,118.70, 298,574,175.82 and 122,269,960.11 is: 168,741,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,347,118.70 : 298,574,175.82 = 122,269,960.11 : x
  2. Step 2: Convert to fraction form
    216,347,118.70/298,574,175.82 = 122,269,960.11/x
  3. Step 3: Cross multiply
    216,347,118.70x = 298,574,175.82 × 122,269,960.11
  4. Step 4: Simplify right side
    216,347,118.70x = 36,506,652,567,387,528
  5. Step 5: Solve for x
    x = 36,506,652,567,387,528/216,347,118.70
  6. Step 6: Final answer
    x = 168,741,108.21

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1.5x scale

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.