Home / 130,211,716.38-179,610,433.13-77,250,928.67

Finding the Fourth Proportional to 130,211,716.38, 179,610,433.13 and 77,250,928.67

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Solution

The fourth proportional to 130,211,716.38, 179,610,433.13 and 77,250,928.67 is: 106,557,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211,716.38 : 179,610,433.13 = 77,250,928.67 : x
  2. Step 2: Convert to fraction form
    130,211,716.38/179,610,433.13 = 77,250,928.67/x
  3. Step 3: Cross multiply
    130,211,716.38x = 179,610,433.13 × 77,250,928.67
  4. Step 4: Simplify right side
    130,211,716.38x = 13,875,072,756,829,130
  5. Step 5: Solve for x
    x = 13,875,072,756,829,130/130,211,716.38
  6. Step 6: Final answer
    x = 106,557,790.21

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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.