Home / 220,438,871,412.96-330,389,676,386.64-114,262,401,542.88

Finding the Fourth Proportional to 220,438,871,412.96, 330,389,676,386.64 and 114,262,401,542.88

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Solution

The fourth proportional to 220,438,871,412.96, 330,389,676,386.64 and 114,262,401,542.88 is: 171,254,360,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,438,871,412.96 : 330,389,676,386.64 = 114,262,401,542.88 : x
  2. Step 2: Convert to fraction form
    220,438,871,412.96/330,389,676,386.64 = 114,262,401,542.88/x
  3. Step 3: Cross multiply
    220,438,871,412.96x = 330,389,676,386.64 × 114,262,401,542.88
  4. Step 4: Simplify right side
    220,438,871,412.96x = 37,751,117,868,912,439,459,840
  5. Step 5: Solve for x
    x = 37,751,117,868,912,439,459,840/220,438,871,412.96
  6. Step 6: Final answer
    x = 171,254,360,117.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.