Home / 189,541,301.69-261,577,100.29-105,911,462.39

Finding the Fourth Proportional to 189,541,301.69, 261,577,100.29 and 105,911,462.39

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Solution

The fourth proportional to 189,541,301.69, 261,577,100.29 and 105,911,462.39 is: 146,163,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,541,301.69 : 261,577,100.29 = 105,911,462.39 : x
  2. Step 2: Convert to fraction form
    189,541,301.69/261,577,100.29 = 105,911,462.39/x
  3. Step 3: Cross multiply
    189,541,301.69x = 261,577,100.29 × 105,911,462.39
  4. Step 4: Simplify right side
    189,541,301.69x = 27,704,013,219,449,592
  5. Step 5: Solve for x
    x = 27,704,013,219,449,592/189,541,301.69
  6. Step 6: Final answer
    x = 146,163,463.97

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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.