Home / 220,669,314.80-331,153,271.40-99,438,364.40

Finding the Fourth Proportional to 220,669,314.80, 331,153,271.40 and 99,438,364.40

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Solution

The fourth proportional to 220,669,314.80, 331,153,271.40 and 99,438,364.40 is: 149,224,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,669,314.80 : 331,153,271.40 = 99,438,364.40 : x
  2. Step 2: Convert to fraction form
    220,669,314.80/331,153,271.40 = 99,438,364.40/x
  3. Step 3: Cross multiply
    220,669,314.80x = 331,153,271.40 × 99,438,364.40
  4. Step 4: Simplify right side
    220,669,314.80x = 32,929,339,673,725,296
  5. Step 5: Solve for x
    x = 32,929,339,673,725,296/220,669,314.80
  6. Step 6: Final answer
    x = 149,224,824.05

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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.