Home / 139,119,821.04-208,686,442.20-45,744,725.04

Finding the Fourth Proportional to 139,119,821.04, 208,686,442.20 and 45,744,725.04

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Solution

The fourth proportional to 139,119,821.04, 208,686,442.20 and 45,744,725.04 is: 68,619,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,119,821.04 : 208,686,442.20 = 45,744,725.04 : x
  2. Step 2: Convert to fraction form
    139,119,821.04/208,686,442.20 = 45,744,725.04/x
  3. Step 3: Cross multiply
    139,119,821.04x = 208,686,442.20 × 45,744,725.04
  4. Step 4: Simplify right side
    139,119,821.04x = 9,546,303,918,014,852
  5. Step 5: Solve for x
    x = 9,546,303,918,014,852/139,119,821.04
  6. Step 6: Final answer
    x = 68,619,294.12

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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.