Home / 139,969,280.70-209,953,921.05-63,294,810.30

Finding the Fourth Proportional to 139,969,280.70, 209,953,921.05 and 63,294,810.30

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Solution

The fourth proportional to 139,969,280.70, 209,953,921.05 and 63,294,810.30 is: 94,942,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,280.70 : 209,953,921.05 = 63,294,810.30 : x
  2. Step 2: Convert to fraction form
    139,969,280.70/209,953,921.05 = 63,294,810.30/x
  3. Step 3: Cross multiply
    139,969,280.70x = 209,953,921.05 × 63,294,810.30
  4. Step 4: Simplify right side
    139,969,280.70x = 13,288,993,604,600,926
  5. Step 5: Solve for x
    x = 13,288,993,604,600,926/139,969,280.70
  6. Step 6: Final answer
    x = 94,942,215.45

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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.