Home / 350,301,675.20-525,452,512.80-221,307,166.40

Finding the Fourth Proportional to 350,301,675.20, 525,452,512.80 and 221,307,166.40

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Solution

The fourth proportional to 350,301,675.20, 525,452,512.80 and 221,307,166.40 is: 331,960,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,301,675.20 : 525,452,512.80 = 221,307,166.40 : x
  2. Step 2: Convert to fraction form
    350,301,675.20/525,452,512.80 = 221,307,166.40/x
  3. Step 3: Cross multiply
    350,301,675.20x = 525,452,512.80 × 221,307,166.40
  4. Step 4: Simplify right side
    350,301,675.20x = 116,286,406,685,527,728
  5. Step 5: Solve for x
    x = 116,286,406,685,527,728/350,301,675.20
  6. Step 6: Final answer
    x = 331,960,749.60

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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.