Home / 144,851,851.80-217,277,777.70-87,314,506.20

Finding the Fourth Proportional to 144,851,851.80, 217,277,777.70 and 87,314,506.20

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Solution

The fourth proportional to 144,851,851.80, 217,277,777.70 and 87,314,506.20 is: 130,971,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,851,851.80 : 217,277,777.70 = 87,314,506.20 : x
  2. Step 2: Convert to fraction form
    144,851,851.80/217,277,777.70 = 87,314,506.20/x
  3. Step 3: Cross multiply
    144,851,851.80x = 217,277,777.70 × 87,314,506.20
  4. Step 4: Simplify right side
    144,851,851.80x = 18,971,501,868,108,872
  5. Step 5: Solve for x
    x = 18,971,501,868,108,872/144,851,851.80
  6. Step 6: Final answer
    x = 130,971,759.30

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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.