Home / 197,523,426.12-272,578,681.03-109,415,490.58

Finding the Fourth Proportional to 197,523,426.12, 272,578,681.03 and 109,415,490.58

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Solution

The fourth proportional to 197,523,426.12, 272,578,681.03 and 109,415,490.58 is: 150,991,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,523,426.12 : 272,578,681.03 = 109,415,490.58 : x
  2. Step 2: Convert to fraction form
    197,523,426.12/272,578,681.03 = 109,415,490.58/x
  3. Step 3: Cross multiply
    197,523,426.12x = 272,578,681.03 × 109,415,490.58
  4. Step 4: Simplify right side
    197,523,426.12x = 29,824,330,104,979,232
  5. Step 5: Solve for x
    x = 29,824,330,104,979,232/197,523,426.12
  6. Step 6: Final answer
    x = 150,991,356.78

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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.