Home / 261,041,437,531.30-360,237,201,116.29-145,295,713,203.81

Finding the Fourth Proportional to 261,041,437,531.30, 360,237,201,116.29 and 145,295,713,203.81

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Solution

The fourth proportional to 261,041,437,531.30, 360,237,201,116.29 and 145,295,713,203.81 is: 200,508,093,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,041,437,531.30 : 360,237,201,116.29 = 145,295,713,203.81 : x
  2. Step 2: Convert to fraction form
    261,041,437,531.30/360,237,201,116.29 = 145,295,713,203.81/x
  3. Step 3: Cross multiply
    261,041,437,531.30x = 360,237,201,116.29 × 145,295,713,203.81
  4. Step 4: Simplify right side
    261,041,437,531.30x = 52,340,921,058,735,691,923,456
  5. Step 5: Solve for x
    x = 52,340,921,058,735,691,923,456/261,041,437,531.30
  6. Step 6: Final answer
    x = 200,508,093,863.30

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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.