Home / 139,020,767.40-208,531,151.10-36,795,138.60

Finding the Fourth Proportional to 139,020,767.40, 208,531,151.10 and 36,795,138.60

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Solution

The fourth proportional to 139,020,767.40, 208,531,151.10 and 36,795,138.60 is: 55,192,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,020,767.40 : 208,531,151.10 = 36,795,138.60 : x
  2. Step 2: Convert to fraction form
    139,020,767.40/208,531,151.10 = 36,795,138.60/x
  3. Step 3: Cross multiply
    139,020,767.40x = 208,531,151.10 × 36,795,138.60
  4. Step 4: Simplify right side
    139,020,767.40x = 7,672,932,607,142,043
  5. Step 5: Solve for x
    x = 7,672,932,607,142,043/139,020,767.40
  6. Step 6: Final answer
    x = 55,192,707.90

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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.