Home / 261,401,076,059.57-360,729,818,114.55-145,662,713,837.38

Finding the Fourth Proportional to 261,401,076,059.57, 360,729,818,114.55 and 145,662,713,837.38

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Solution

The fourth proportional to 261,401,076,059.57, 360,729,818,114.55 and 145,662,713,837.38 is: 201,012,501,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,401,076,059.57 : 360,729,818,114.55 = 145,662,713,837.38 : x
  2. Step 2: Convert to fraction form
    261,401,076,059.57/360,729,818,114.55 = 145,662,713,837.38/x
  3. Step 3: Cross multiply
    261,401,076,059.57x = 360,729,818,114.55 × 145,662,713,837.38
  4. Step 4: Simplify right side
    261,401,076,059.57x = 52,544,884,268,629,829,353,472
  5. Step 5: Solve for x
    x = 52,544,884,268,629,829,353,472/261,401,076,059.57
  6. Step 6: Final answer
    x = 201,012,501,787.31

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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.