Home / 66,594,852,084.95-99,852,386,235.18-21,195,950,321.06

Finding the Fourth Proportional to 66,594,852,084.95, 99,852,386,235.18 and 21,195,950,321.06

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Solution

The fourth proportional to 66,594,852,084.95, 99,852,386,235.18 and 21,195,950,321.06 is: 31,781,228,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594,852,084.95 : 99,852,386,235.18 = 21,195,950,321.06 : x
  2. Step 2: Convert to fraction form
    66,594,852,084.95/99,852,386,235.18 = 21,195,950,321.06/x
  3. Step 3: Cross multiply
    66,594,852,084.95x = 99,852,386,235.18 × 21,195,950,321.06
  4. Step 4: Simplify right side
    66,594,852,084.95x = 2,116,466,218,080,070,533,120
  5. Step 5: Solve for x
    x = 2,116,466,218,080,070,533,120/66,594,852,084.95
  6. Step 6: Final answer
    x = 31,781,228,605.78

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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.