Home / 197,791,186.94-272,859,740.07-128,199,097.34

Finding the Fourth Proportional to 197,791,186.94, 272,859,740.07 and 128,199,097.34

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Solution

The fourth proportional to 197,791,186.94, 272,859,740.07 and 128,199,097.34 is: 176,855,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,791,186.94 : 272,859,740.07 = 128,199,097.34 : x
  2. Step 2: Convert to fraction form
    197,791,186.94/272,859,740.07 = 128,199,097.34/x
  3. Step 3: Cross multiply
    197,791,186.94x = 272,859,740.07 × 128,199,097.34
  4. Step 4: Simplify right side
    197,791,186.94x = 34,980,372,377,401,028
  5. Step 5: Solve for x
    x = 34,980,372,377,401,028/197,791,186.94
  6. Step 6: Final answer
    x = 176,855,060.73

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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.