Home / 139,857,278.47-209,750,133.65-41,465,977.74

Finding the Fourth Proportional to 139,857,278.47, 209,750,133.65 and 41,465,977.74

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Solution

The fourth proportional to 139,857,278.47, 209,750,133.65 and 41,465,977.74 is: 62,188,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,857,278.47 : 209,750,133.65 = 41,465,977.74 : x
  2. Step 2: Convert to fraction form
    139,857,278.47/209,750,133.65 = 41,465,977.74/x
  3. Step 3: Cross multiply
    139,857,278.47x = 209,750,133.65 × 41,465,977.74
  4. Step 4: Simplify right side
    139,857,278.47x = 8,697,494,372,892,926
  5. Step 5: Solve for x
    x = 8,697,494,372,892,926/139,857,278.47
  6. Step 6: Final answer
    x = 62,188,357.07

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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.