Home / 242,757,293.40-364,135,940.10-139,020,010.20

Finding the Fourth Proportional to 242,757,293.40, 364,135,940.10 and 139,020,010.20

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Solution

The fourth proportional to 242,757,293.40, 364,135,940.10 and 139,020,010.20 is: 208,530,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,757,293.40 : 364,135,940.10 = 139,020,010.20 : x
  2. Step 2: Convert to fraction form
    242,757,293.40/364,135,940.10 = 139,020,010.20/x
  3. Step 3: Cross multiply
    242,757,293.40x = 364,135,940.10 × 139,020,010.20
  4. Step 4: Simplify right side
    242,757,293.40x = 50,622,182,106,888,584
  5. Step 5: Solve for x
    x = 50,622,182,106,888,584/242,757,293.40
  6. Step 6: Final answer
    x = 208,530,015.30

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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.