Home / 416,209,473.85-623,923,158.77-139,666,745.31

Finding the Fourth Proportional to 416,209,473.85, 623,923,158.77 and 139,666,745.31

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Solution

The fourth proportional to 416,209,473.85, 623,923,158.77 and 139,666,745.31 is: 209,368,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,209,473.85 : 623,923,158.77 = 139,666,745.31 : x
  2. Step 2: Convert to fraction form
    416,209,473.85/623,923,158.77 = 139,666,745.31/x
  3. Step 3: Cross multiply
    416,209,473.85x = 623,923,158.77 × 139,666,745.31
  4. Step 4: Simplify right side
    416,209,473.85x = 87,141,316,908,940,288
  5. Step 5: Solve for x
    x = 87,141,316,908,940,288/416,209,473.85
  6. Step 6: Final answer
    x = 209,368,893.27

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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.