Home / 101,668,112.80-140,303,416.16-55,258,352.80

Finding the Fourth Proportional to 101,668,112.80, 140,303,416.16 and 55,258,352.80

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Solution

The fourth proportional to 101,668,112.80, 140,303,416.16 and 55,258,352.80 is: 76,257,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,668,112.80 : 140,303,416.16 = 55,258,352.80 : x
  2. Step 2: Convert to fraction form
    101,668,112.80/140,303,416.16 = 55,258,352.80/x
  3. Step 3: Cross multiply
    101,668,112.80x = 140,303,416.16 × 55,258,352.80
  4. Step 4: Simplify right side
    101,668,112.80x = 7,752,935,669,214,501
  5. Step 5: Solve for x
    x = 7,752,935,669,214,501/101,668,112.80
  6. Step 6: Final answer
    x = 76,257,298.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.