Home / 261,401,076,058.57-360,729,818,113.17-145,662,713,836.38

Finding the Fourth Proportional to 261,401,076,058.57, 360,729,818,113.17 and 145,662,713,836.38

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Solution

The fourth proportional to 261,401,076,058.57, 360,729,818,113.17 and 145,662,713,836.38 is: 201,012,501,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,401,076,058.57 : 360,729,818,113.17 = 145,662,713,836.38 : x
  2. Step 2: Convert to fraction form
    261,401,076,058.57/360,729,818,113.17 = 145,662,713,836.38/x
  3. Step 3: Cross multiply
    261,401,076,058.57x = 360,729,818,113.17 × 145,662,713,836.38
  4. Step 4: Simplify right side
    261,401,076,058.57x = 52,544,884,268,068,086,218,752
  5. Step 5: Solve for x
    x = 52,544,884,268,068,086,218,752/261,401,076,058.57
  6. Step 6: Final answer
    x = 201,012,501,785.93

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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.