Home / 139,128,024.80-208,617,387.60-58,257,624.80

Finding the Fourth Proportional to 139,128,024.80, 208,617,387.60 and 58,257,624.80

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Solution

The fourth proportional to 139,128,024.80, 208,617,387.60 and 58,257,624.80 is: 87,355,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,128,024.80 : 208,617,387.60 = 58,257,624.80 : x
  2. Step 2: Convert to fraction form
    139,128,024.80/208,617,387.60 = 58,257,624.80/x
  3. Step 3: Cross multiply
    139,128,024.80x = 208,617,387.60 × 58,257,624.80
  4. Step 4: Simplify right side
    139,128,024.80x = 12,153,553,493,556,972
  5. Step 5: Solve for x
    x = 12,153,553,493,556,972/139,128,024.80
  6. Step 6: Final answer
    x = 87,355,178.88

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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.