Home / 220,076,499.28-303,708,710.64-120,966,409.12

Finding the Fourth Proportional to 220,076,499.28, 303,708,710.64 and 120,966,409.12

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Solution

The fourth proportional to 220,076,499.28, 303,708,710.64 and 120,966,409.12 is: 166,935,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,076,499.28 : 303,708,710.64 = 120,966,409.12 : x
  2. Step 2: Convert to fraction form
    220,076,499.28/303,708,710.64 = 120,966,409.12/x
  3. Step 3: Cross multiply
    220,076,499.28x = 303,708,710.64 × 120,966,409.12
  4. Step 4: Simplify right side
    220,076,499.28x = 36,738,552,144,585,936
  5. Step 5: Solve for x
    x = 36,738,552,144,585,936/220,076,499.28
  6. Step 6: Final answer
    x = 166,935,371.40

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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.