Home / 144,612,622.37-216,706,301.80-85,464,124.81

Finding the Fourth Proportional to 144,612,622.37, 216,706,301.80 and 85,464,124.81

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Solution

The fourth proportional to 144,612,622.37, 216,706,301.80 and 85,464,124.81 is: 128,070,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612,622.37 : 216,706,301.80 = 85,464,124.81 : x
  2. Step 2: Convert to fraction form
    144,612,622.37/216,706,301.80 = 85,464,124.81/x
  3. Step 3: Cross multiply
    144,612,622.37x = 216,706,301.80 × 85,464,124.81
  4. Step 4: Simplify right side
    144,612,622.37x = 18,520,614,423,393,304
  5. Step 5: Solve for x
    x = 18,520,614,423,393,304/144,612,622.37
  6. Step 6: Final answer
    x = 128,070,524.69

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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.