Home / 191,553,911.71-264,344,387.86-103,447,900.78

Finding the Fourth Proportional to 191,553,911.71, 264,344,387.86 and 103,447,900.78

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Solution

The fourth proportional to 191,553,911.71, 264,344,387.86 and 103,447,900.78 is: 142,758,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,553,911.71 : 264,344,387.86 = 103,447,900.78 : x
  2. Step 2: Convert to fraction form
    191,553,911.71/264,344,387.86 = 103,447,900.78/x
  3. Step 3: Cross multiply
    191,553,911.71x = 264,344,387.86 × 103,447,900.78
  4. Step 4: Simplify right side
    191,553,911.71x = 27,345,872,006,559,568
  5. Step 5: Solve for x
    x = 27,345,872,006,559,568/191,553,911.71
  6. Step 6: Final answer
    x = 142,758,097.51

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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.