Home / 191,308,098.52-287,007,682.51-61,915,708.81

Finding the Fourth Proportional to 191,308,098.52, 287,007,682.51 and 61,915,708.81

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Solution

The fourth proportional to 191,308,098.52, 287,007,682.51 and 61,915,708.81 is: 92,888,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,308,098.52 : 287,007,682.51 = 61,915,708.81 : x
  2. Step 2: Convert to fraction form
    191,308,098.52/287,007,682.51 = 61,915,708.81/x
  3. Step 3: Cross multiply
    191,308,098.52x = 287,007,682.51 × 61,915,708.81
  4. Step 4: Simplify right side
    191,308,098.52x = 17,770,284,094,777,472
  5. Step 5: Solve for x
    x = 17,770,284,094,777,472/191,308,098.52
  6. Step 6: Final answer
    x = 92,888,300.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.