Home / 149,886,453.80-206,900,385.20-97,688,187.56

Finding the Fourth Proportional to 149,886,453.80, 206,900,385.20 and 97,688,187.56

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Solution

The fourth proportional to 149,886,453.80, 206,900,385.20 and 97,688,187.56 is: 134,846,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,886,453.80 : 206,900,385.20 = 97,688,187.56 : x
  2. Step 2: Convert to fraction form
    149,886,453.80/206,900,385.20 = 97,688,187.56/x
  3. Step 3: Cross multiply
    149,886,453.80x = 206,900,385.20 × 97,688,187.56
  4. Step 4: Simplify right side
    149,886,453.80x = 20,211,723,634,130,908
  5. Step 5: Solve for x
    x = 20,211,723,634,130,908/149,886,453.80
  6. Step 6: Final answer
    x = 134,846,899.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.