Home / 55,361,852.37-76,397,875.47-30,581,505.90

Finding the Fourth Proportional to 55,361,852.37, 76,397,875.47 and 30,581,505.90

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Solution

The fourth proportional to 55,361,852.37, 76,397,875.47 and 30,581,505.90 is: 42,201,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361,852.37 : 76,397,875.47 = 30,581,505.90 : x
  2. Step 2: Convert to fraction form
    55,361,852.37/76,397,875.47 = 30,581,505.90/x
  3. Step 3: Cross multiply
    55,361,852.37x = 76,397,875.47 × 30,581,505.90
  4. Step 4: Simplify right side
    55,361,852.37x = 2,336,362,079,433,270
  5. Step 5: Solve for x
    x = 2,336,362,079,433,270/55,361,852.37
  6. Step 6: Final answer
    x = 42,201,660.16

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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.