Home / 308,409,444.56-462,615,741.76-103,939,291.28

Finding the Fourth Proportional to 308,409,444.56, 462,615,741.76 and 103,939,291.28

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Solution

The fourth proportional to 308,409,444.56, 462,615,741.76 and 103,939,291.28 is: 155,909,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,409,444.56 : 462,615,741.76 = 103,939,291.28 : x
  2. Step 2: Convert to fraction form
    308,409,444.56/462,615,741.76 = 103,939,291.28/x
  3. Step 3: Cross multiply
    308,409,444.56x = 462,615,741.76 × 103,939,291.28
  4. Step 4: Simplify right side
    308,409,444.56x = 48,083,952,333,505,896
  5. Step 5: Solve for x
    x = 48,083,952,333,505,896/308,409,444.56
  6. Step 6: Final answer
    x = 155,909,467.70

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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.