Home / 261,483,330.72-360,842,594.40-144,019,599.60

Finding the Fourth Proportional to 261,483,330.72, 360,842,594.40 and 144,019,599.60

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Solution

The fourth proportional to 261,483,330.72, 360,842,594.40 and 144,019,599.60 is: 198,744,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,483,330.72 : 360,842,594.40 = 144,019,599.60 : x
  2. Step 2: Convert to fraction form
    261,483,330.72/360,842,594.40 = 144,019,599.60/x
  3. Step 3: Cross multiply
    261,483,330.72x = 360,842,594.40 × 144,019,599.60
  4. Step 4: Simplify right side
    261,483,330.72x = 51,968,405,964,113,200
  5. Step 5: Solve for x
    x = 51,968,405,964,113,200/261,483,330.72
  6. Step 6: Final answer
    x = 198,744,622.92

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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.