Home / 126,830,392.30-190,198,924.35-43,811,017.35

Finding the Fourth Proportional to 126,830,392.30, 190,198,924.35 and 43,811,017.35

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Solution

The fourth proportional to 126,830,392.30, 190,198,924.35 and 43,811,017.35 is: 65,700,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830,392.30 : 190,198,924.35 = 43,811,017.35 : x
  2. Step 2: Convert to fraction form
    126,830,392.30/190,198,924.35 = 43,811,017.35/x
  3. Step 3: Cross multiply
    126,830,392.30x = 190,198,924.35 × 43,811,017.35
  4. Step 4: Simplify right side
    126,830,392.30x = 8,332,808,374,649,187
  5. Step 5: Solve for x
    x = 8,332,808,374,649,187/126,830,392.30
  6. Step 6: Final answer
    x = 65,700,406.85

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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.