Home / 128,121,703.30-192,215,327.14-37,245,292.30

Finding the Fourth Proportional to 128,121,703.30, 192,215,327.14 and 37,245,292.30

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Solution

The fourth proportional to 128,121,703.30, 192,215,327.14 and 37,245,292.30 is: 55,877,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,121,703.30 : 192,215,327.14 = 37,245,292.30 : x
  2. Step 2: Convert to fraction form
    128,121,703.30/192,215,327.14 = 37,245,292.30/x
  3. Step 3: Cross multiply
    128,121,703.30x = 192,215,327.14 × 37,245,292.30
  4. Step 4: Simplify right side
    128,121,703.30x = 7,159,116,042,908,346
  5. Step 5: Solve for x
    x = 7,159,116,042,908,346/128,121,703.30
  6. Step 6: Final answer
    x = 55,877,465.40

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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.