Home / 102,362,666.10-153,543,999.15-67,925,289.30

Finding the Fourth Proportional to 102,362,666.10, 153,543,999.15 and 67,925,289.30

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Solution

The fourth proportional to 102,362,666.10, 153,543,999.15 and 67,925,289.30 is: 101,887,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,362,666.10 : 153,543,999.15 = 67,925,289.30 : x
  2. Step 2: Convert to fraction form
    102,362,666.10/153,543,999.15 = 67,925,289.30/x
  3. Step 3: Cross multiply
    102,362,666.10x = 153,543,999.15 × 67,925,289.30
  4. Step 4: Simplify right side
    102,362,666.10x = 10,429,520,562,542,704
  5. Step 5: Solve for x
    x = 10,429,520,562,542,704/102,362,666.10
  6. Step 6: Final answer
    x = 101,887,933.95

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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.