Home / 261,041,437,531.80-360,237,201,116.98-145,295,713,204.31

Finding the Fourth Proportional to 261,041,437,531.80, 360,237,201,116.98 and 145,295,713,204.31

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Solution

The fourth proportional to 261,041,437,531.80, 360,237,201,116.98 and 145,295,713,204.31 is: 200,508,093,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,041,437,531.80 : 360,237,201,116.98 = 145,295,713,204.31 : x
  2. Step 2: Convert to fraction form
    261,041,437,531.80/360,237,201,116.98 = 145,295,713,204.31/x
  3. Step 3: Cross multiply
    261,041,437,531.80x = 360,237,201,116.98 × 145,295,713,204.31
  4. Step 4: Simplify right side
    261,041,437,531.80x = 52,340,921,059,016,064,368,640
  5. Step 5: Solve for x
    x = 52,340,921,059,016,064,368,640/261,041,437,531.80
  6. Step 6: Final answer
    x = 200,508,093,863.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.