Home / 206,968,999.04-310,453,498.86-84,118,533.83

Finding the Fourth Proportional to 206,968,999.04, 310,453,498.86 and 84,118,533.83

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Solution

The fourth proportional to 206,968,999.04, 310,453,498.86 and 84,118,533.83 is: 126,177,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,968,999.04 : 310,453,498.86 = 84,118,533.83 : x
  2. Step 2: Convert to fraction form
    206,968,999.04/310,453,498.86 = 84,118,533.83/x
  3. Step 3: Cross multiply
    206,968,999.04x = 310,453,498.86 × 84,118,533.83
  4. Step 4: Simplify right side
    206,968,999.04x = 26,114,893,146,496,776
  5. Step 5: Solve for x
    x = 26,114,893,146,496,776/206,968,999.04
  6. Step 6: Final answer
    x = 126,177,800.87

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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.