Home / 126,787,250.70-190,208,191.68-39,347,054.10

Finding the Fourth Proportional to 126,787,250.70, 190,208,191.68 and 39,347,054.10

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Solution

The fourth proportional to 126,787,250.70, 190,208,191.68 and 39,347,054.10 is: 59,029,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,787,250.70 : 190,208,191.68 = 39,347,054.10 : x
  2. Step 2: Convert to fraction form
    126,787,250.70/190,208,191.68 = 39,347,054.10/x
  3. Step 3: Cross multiply
    126,787,250.70x = 190,208,191.68 × 39,347,054.10
  4. Step 4: Simplify right side
    126,787,250.70x = 7,484,132,008,296,130
  5. Step 5: Solve for x
    x = 7,484,132,008,296,130/126,787,250.70
  6. Step 6: Final answer
    x = 59,029,058.26

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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.