Home / 139,968,243.30-209,952,364.95-37,728,617.70

Finding the Fourth Proportional to 139,968,243.30, 209,952,364.95 and 37,728,617.70

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Solution

The fourth proportional to 139,968,243.30, 209,952,364.95 and 37,728,617.70 is: 56,592,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,243.30 : 209,952,364.95 = 37,728,617.70 : x
  2. Step 2: Convert to fraction form
    139,968,243.30/209,952,364.95 = 37,728,617.70/x
  3. Step 3: Cross multiply
    139,968,243.30x = 209,952,364.95 × 37,728,617.70
  4. Step 4: Simplify right side
    139,968,243.30x = 7,921,212,512,409,430
  5. Step 5: Solve for x
    x = 7,921,212,512,409,430/139,968,243.30
  6. Step 6: Final answer
    x = 56,592,926.55

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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.