Home / 139,068,937.60-208,603,406.40-101,320,201.60

Finding the Fourth Proportional to 139,068,937.60, 208,603,406.40 and 101,320,201.60

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Solution

The fourth proportional to 139,068,937.60, 208,603,406.40 and 101,320,201.60 is: 151,980,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,068,937.60 : 208,603,406.40 = 101,320,201.60 : x
  2. Step 2: Convert to fraction form
    139,068,937.60/208,603,406.40 = 101,320,201.60/x
  3. Step 3: Cross multiply
    139,068,937.60x = 208,603,406.40 × 101,320,201.60
  4. Step 4: Simplify right side
    139,068,937.60x = 21,135,739,190,894,728
  5. Step 5: Solve for x
    x = 21,135,739,190,894,728/139,068,937.60
  6. Step 6: Final answer
    x = 151,980,302.40

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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.