Home / 139,128,246.80-208,617,720.60-58,257,846.80

Finding the Fourth Proportional to 139,128,246.80, 208,617,720.60 and 58,257,846.80

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Solution

The fourth proportional to 139,128,246.80, 208,617,720.60 and 58,257,846.80 is: 87,355,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,128,246.80 : 208,617,720.60 = 58,257,846.80 : x
  2. Step 2: Convert to fraction form
    139,128,246.80/208,617,720.60 = 58,257,846.80/x
  3. Step 3: Cross multiply
    139,128,246.80x = 208,617,720.60 × 58,257,846.80
  4. Step 4: Simplify right side
    139,128,246.80x = 12,153,619,206,480,004
  5. Step 5: Solve for x
    x = 12,153,619,206,480,004/139,128,246.80
  6. Step 6: Final answer
    x = 87,355,511.81

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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.