Home / 191,866,934.36-287,672,564.10-105,645,946.52

Finding the Fourth Proportional to 191,866,934.36, 287,672,564.10 and 105,645,946.52

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Solution

The fourth proportional to 191,866,934.36, 287,672,564.10 and 105,645,946.52 is: 158,398,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,866,934.36 : 287,672,564.10 = 105,645,946.52 : x
  2. Step 2: Convert to fraction form
    191,866,934.36/287,672,564.10 = 105,645,946.52/x
  3. Step 3: Cross multiply
    191,866,934.36x = 287,672,564.10 × 105,645,946.52
  4. Step 4: Simplify right side
    191,866,934.36x = 30,391,440,322,179,872
  5. Step 5: Solve for x
    x = 30,391,440,322,179,872/191,866,934.36
  6. Step 6: Final answer
    x = 158,398,529.81

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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.