Home / 139,068,962.60-208,603,443.90-101,320,226.60

Finding the Fourth Proportional to 139,068,962.60, 208,603,443.90 and 101,320,226.60

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Solution

The fourth proportional to 139,068,962.60, 208,603,443.90 and 101,320,226.60 is: 151,980,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,068,962.60 : 208,603,443.90 = 101,320,226.60 : x
  2. Step 2: Convert to fraction form
    139,068,962.60/208,603,443.90 = 101,320,226.60/x
  3. Step 3: Cross multiply
    139,068,962.60x = 208,603,443.90 × 101,320,226.60
  4. Step 4: Simplify right side
    139,068,962.60x = 21,135,748,205,488,388
  5. Step 5: Solve for x
    x = 21,135,748,205,488,388/139,068,962.60
  6. Step 6: Final answer
    x = 151,980,339.90

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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.