Home / 221,971,428,401.80-333,097,202,416.16-94,485,912,047.21

Finding the Fourth Proportional to 221,971,428,401.80, 333,097,202,416.16 and 94,485,912,047.21

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Solution

The fourth proportional to 221,971,428,401.80, 333,097,202,416.16 and 94,485,912,047.21 is: 141,788,486,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,971,428,401.80 : 333,097,202,416.16 = 94,485,912,047.21 : x
  2. Step 2: Convert to fraction form
    221,971,428,401.80/333,097,202,416.16 = 94,485,912,047.21/x
  3. Step 3: Cross multiply
    221,971,428,401.80x = 333,097,202,416.16 × 94,485,912,047.21
  4. Step 4: Simplify right side
    221,971,428,401.80x = 31,472,992,970,666,330,292,224
  5. Step 5: Solve for x
    x = 31,472,992,970,666,330,292,224/221,971,428,401.80
  6. Step 6: Final answer
    x = 141,788,486,911.46

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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.