Home / 206,968,998.79-310,453,498.49-84,118,533.58

Finding the Fourth Proportional to 206,968,998.79, 310,453,498.49 and 84,118,533.58

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Solution

The fourth proportional to 206,968,998.79, 310,453,498.49 and 84,118,533.58 is: 126,177,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,968,998.79 : 310,453,498.49 = 84,118,533.58 : x
  2. Step 2: Convert to fraction form
    206,968,998.79/310,453,498.49 = 84,118,533.58/x
  3. Step 3: Cross multiply
    206,968,998.79x = 310,453,498.49 × 84,118,533.58
  4. Step 4: Simplify right side
    206,968,998.79x = 26,114,893,036,562,820
  5. Step 5: Solve for x
    x = 26,114,893,036,562,820/206,968,998.79
  6. Step 6: Final answer
    x = 126,177,800.49

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1.5x scale

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.