Home / 221,623,770.16-305,871,185.10-127,535,983.48

Finding the Fourth Proportional to 221,623,770.16, 305,871,185.10 and 127,535,983.48

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Solution

The fourth proportional to 221,623,770.16, 305,871,185.10 and 127,535,983.48 is: 176,017,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,623,770.16 : 305,871,185.10 = 127,535,983.48 : x
  2. Step 2: Convert to fraction form
    221,623,770.16/305,871,185.10 = 127,535,983.48/x
  3. Step 3: Cross multiply
    221,623,770.16x = 305,871,185.10 × 127,535,983.48
  4. Step 4: Simplify right side
    221,623,770.16x = 39,009,582,409,921,624
  5. Step 5: Solve for x
    x = 39,009,582,409,921,624/221,623,770.16
  6. Step 6: Final answer
    x = 176,017,141.04

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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.