Home / 126,086,644.80-189,129,967.20-83,004,494.40

Finding the Fourth Proportional to 126,086,644.80, 189,129,967.20 and 83,004,494.40

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Solution

The fourth proportional to 126,086,644.80, 189,129,967.20 and 83,004,494.40 is: 124,506,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,086,644.80 : 189,129,967.20 = 83,004,494.40 : x
  2. Step 2: Convert to fraction form
    126,086,644.80/189,129,967.20 = 83,004,494.40/x
  3. Step 3: Cross multiply
    126,086,644.80x = 189,129,967.20 × 83,004,494.40
  4. Step 4: Simplify right side
    126,086,644.80x = 15,698,637,303,324,584
  5. Step 5: Solve for x
    x = 15,698,637,303,324,584/126,086,644.80
  6. Step 6: Final answer
    x = 124,506,741.60

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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.