Home / 191,655,178.31-264,484,146.07-109,156,639.43

Finding the Fourth Proportional to 191,655,178.31, 264,484,146.07 and 109,156,639.43

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Solution

The fourth proportional to 191,655,178.31, 264,484,146.07 and 109,156,639.43 is: 150,636,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,655,178.31 : 264,484,146.07 = 109,156,639.43 : x
  2. Step 2: Convert to fraction form
    191,655,178.31/264,484,146.07 = 109,156,639.43/x
  3. Step 3: Cross multiply
    191,655,178.31x = 264,484,146.07 × 109,156,639.43
  4. Step 4: Simplify right side
    191,655,178.31x = 28,870,200,568,312,100
  5. Step 5: Solve for x
    x = 28,870,200,568,312,100/191,655,178.31
  6. Step 6: Final answer
    x = 150,636,162.42

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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.