Home / 139,076,000.20-208,614,000.30-36,855,814.60

Finding the Fourth Proportional to 139,076,000.20, 208,614,000.30 and 36,855,814.60

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Solution

The fourth proportional to 139,076,000.20, 208,614,000.30 and 36,855,814.60 is: 55,283,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,076,000.20 : 208,614,000.30 = 36,855,814.60 : x
  2. Step 2: Convert to fraction form
    139,076,000.20/208,614,000.30 = 36,855,814.60/x
  3. Step 3: Cross multiply
    139,076,000.20x = 208,614,000.30 × 36,855,814.60
  4. Step 4: Simplify right side
    139,076,000.20x = 7,688,638,918,021,145
  5. Step 5: Solve for x
    x = 7,688,638,918,021,145/139,076,000.20
  6. Step 6: Final answer
    x = 55,283,721.90

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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.