Home / 292,791,619.23-439,260,119.23-145,308,396.45

Finding the Fourth Proportional to 292,791,619.23, 439,260,119.23 and 145,308,396.45

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Solution

The fourth proportional to 292,791,619.23, 439,260,119.23 and 145,308,396.45 is: 217,998,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,791,619.23 : 439,260,119.23 = 145,308,396.45 : x
  2. Step 2: Convert to fraction form
    292,791,619.23/439,260,119.23 = 145,308,396.45/x
  3. Step 3: Cross multiply
    292,791,619.23x = 439,260,119.23 × 145,308,396.45
  4. Step 4: Simplify right side
    292,791,619.23x = 63,828,183,548,265,976
  5. Step 5: Solve for x
    x = 63,828,183,548,265,976/292,791,619.23
  6. Step 6: Final answer
    x = 217,998,669.89

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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.