Home / 211,265,587.80-316,898,381.70-109,228,915.80

Finding the Fourth Proportional to 211,265,587.80, 316,898,381.70 and 109,228,915.80

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Solution

The fourth proportional to 211,265,587.80, 316,898,381.70 and 109,228,915.80 is: 163,843,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265,587.80 : 316,898,381.70 = 109,228,915.80 : x
  2. Step 2: Convert to fraction form
    211,265,587.80/316,898,381.70 = 109,228,915.80/x
  3. Step 3: Cross multiply
    211,265,587.80x = 316,898,381.70 × 109,228,915.80
  4. Step 4: Simplify right side
    211,265,587.80x = 34,614,466,651,865,560
  5. Step 5: Solve for x
    x = 34,614,466,651,865,560/211,265,587.80
  6. Step 6: Final answer
    x = 163,843,373.70

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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.