Home / 139,069,013.60-208,603,520.40-101,320,277.60

Finding the Fourth Proportional to 139,069,013.60, 208,603,520.40 and 101,320,277.60

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Solution

The fourth proportional to 139,069,013.60, 208,603,520.40 and 101,320,277.60 is: 151,980,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,069,013.60 : 208,603,520.40 = 101,320,277.60 : x
  2. Step 2: Convert to fraction form
    139,069,013.60/208,603,520.40 = 101,320,277.60/x
  3. Step 3: Cross multiply
    139,069,013.60x = 208,603,520.40 × 101,320,277.60
  4. Step 4: Simplify right side
    139,069,013.60x = 21,135,766,595,265,264
  5. Step 5: Solve for x
    x = 21,135,766,595,265,264/139,069,013.60
  6. Step 6: Final answer
    x = 151,980,416.40

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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.