Home / 139,969,281.70-209,953,922.55-63,294,811.30

Finding the Fourth Proportional to 139,969,281.70, 209,953,922.55 and 63,294,811.30

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Solution

The fourth proportional to 139,969,281.70, 209,953,922.55 and 63,294,811.30 is: 94,942,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,281.70 : 209,953,922.55 = 63,294,811.30 : x
  2. Step 2: Convert to fraction form
    139,969,281.70/209,953,922.55 = 63,294,811.30/x
  3. Step 3: Cross multiply
    139,969,281.70x = 209,953,922.55 × 63,294,811.30
  4. Step 4: Simplify right side
    139,969,281.70x = 13,288,993,909,497,064
  5. Step 5: Solve for x
    x = 13,288,993,909,497,064/139,969,281.70
  6. Step 6: Final answer
    x = 94,942,216.95

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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.