Home / 66,594,852,091.30-99,852,386,244.69-21,195,950,327.40

Finding the Fourth Proportional to 66,594,852,091.30, 99,852,386,244.69 and 21,195,950,327.40

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Solution

The fourth proportional to 66,594,852,091.30, 99,852,386,244.69 and 21,195,950,327.40 is: 31,781,228,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594,852,091.30 : 99,852,386,244.69 = 21,195,950,327.40 : x
  2. Step 2: Convert to fraction form
    66,594,852,091.30/99,852,386,244.69 = 21,195,950,327.40/x
  3. Step 3: Cross multiply
    66,594,852,091.30x = 99,852,386,244.69 × 21,195,950,327.40
  4. Step 4: Simplify right side
    66,594,852,091.30x = 2,116,466,218,915,107,962,880
  5. Step 5: Solve for x
    x = 2,116,466,218,915,107,962,880/66,594,852,091.30
  6. Step 6: Final answer
    x = 31,781,228,615.29

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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.