Home / 102,655,999.20-153,983,998.80-30,852,415.20

Finding the Fourth Proportional to 102,655,999.20, 153,983,998.80 and 30,852,415.20

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Solution

The fourth proportional to 102,655,999.20, 153,983,998.80 and 30,852,415.20 is: 46,278,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,655,999.20 : 153,983,998.80 = 30,852,415.20 : x
  2. Step 2: Convert to fraction form
    102,655,999.20/153,983,998.80 = 30,852,415.20/x
  3. Step 3: Cross multiply
    102,655,999.20x = 153,983,998.80 × 30,852,415.20
  4. Step 4: Simplify right side
    102,655,999.20x = 4,750,778,265,133,902
  5. Step 5: Solve for x
    x = 4,750,778,265,133,902/102,655,999.20
  6. Step 6: Final answer
    x = 46,278,622.80

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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.