Home / 197,520,389.84-272,580,318.24-109,415,737.28

Finding the Fourth Proportional to 197,520,389.84, 272,580,318.24 and 109,415,737.28

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Solution

The fourth proportional to 197,520,389.84, 272,580,318.24 and 109,415,737.28 is: 150,994,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520,389.84 : 272,580,318.24 = 109,415,737.28 : x
  2. Step 2: Convert to fraction form
    197,520,389.84/272,580,318.24 = 109,415,737.28/x
  3. Step 3: Cross multiply
    197,520,389.84x = 272,580,318.24 × 109,415,737.28
  4. Step 4: Simplify right side
    197,520,389.84x = 29,824,576,488,246,632
  5. Step 5: Solve for x
    x = 29,824,576,488,246,632/197,520,389.84
  6. Step 6: Final answer
    x = 150,994,925.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.