Home / 149,016,344,612.07-205,641,509,437.21-81,350,934,827.43

Finding the Fourth Proportional to 149,016,344,612.07, 205,641,509,437.21 and 81,350,934,827.43

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Solution

The fourth proportional to 149,016,344,612.07, 205,641,509,437.21 and 81,350,934,827.43 is: 112,263,718,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,016,344,612.07 : 205,641,509,437.21 = 81,350,934,827.43 : x
  2. Step 2: Convert to fraction form
    149,016,344,612.07/205,641,509,437.21 = 81,350,934,827.43/x
  3. Step 3: Cross multiply
    149,016,344,612.07x = 205,641,509,437.21 × 81,350,934,827.43
  4. Step 4: Simplify right side
    149,016,344,612.07x = 16,729,129,032,040,799,272,960
  5. Step 5: Solve for x
    x = 16,729,129,032,040,799,272,960/149,016,344,612.07
  6. Step 6: Final answer
    x = 112,263,718,960.44

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1.5x scale

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.