Home / 145,627,321.20-218,440,981.80-37,921,945.20

Finding the Fourth Proportional to 145,627,321.20, 218,440,981.80 and 37,921,945.20

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Solution

The fourth proportional to 145,627,321.20, 218,440,981.80 and 37,921,945.20 is: 56,882,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,321.20 : 218,440,981.80 = 37,921,945.20 : x
  2. Step 2: Convert to fraction form
    145,627,321.20/218,440,981.80 = 37,921,945.20/x
  3. Step 3: Cross multiply
    145,627,321.20x = 218,440,981.80 × 37,921,945.20
  4. Step 4: Simplify right side
    145,627,321.20x = 8,283,706,941,253,798
  5. Step 5: Solve for x
    x = 8,283,706,941,253,798/145,627,321.20
  6. Step 6: Final answer
    x = 56,882,917.80

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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.