Home / 139,134,271.20-208,638,421.20-52,843,999.20

Finding the Fourth Proportional to 139,134,271.20, 208,638,421.20 and 52,843,999.20

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Solution

The fourth proportional to 139,134,271.20, 208,638,421.20 and 52,843,999.20 is: 79,242,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,134,271.20 : 208,638,421.20 = 52,843,999.20 : x
  2. Step 2: Convert to fraction form
    139,134,271.20/208,638,421.20 = 52,843,999.20/x
  3. Step 3: Cross multiply
    139,134,271.20x = 208,638,421.20 × 52,843,999.20
  4. Step 4: Simplify right side
    139,134,271.20x = 11,025,288,562,982,064
  5. Step 5: Solve for x
    x = 11,025,288,562,982,064/139,134,271.20
  6. Step 6: Final answer
    x = 79,242,076.51

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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.