Home / 47,932,345.80-71,898,518.70-45,475,907.40

Finding the Fourth Proportional to 47,932,345.80, 71,898,518.70 and 45,475,907.40

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Solution

The fourth proportional to 47,932,345.80, 71,898,518.70 and 45,475,907.40 is: 68,213,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,932,345.80 : 71,898,518.70 = 45,475,907.40 : x
  2. Step 2: Convert to fraction form
    47,932,345.80/71,898,518.70 = 45,475,907.40/x
  3. Step 3: Cross multiply
    47,932,345.80x = 71,898,518.70 × 45,475,907.40
  4. Step 4: Simplify right side
    47,932,345.80x = 3,269,650,378,598,368.50
  5. Step 5: Solve for x
    x = 3,269,650,378,598,368.50/47,932,345.80
  6. Step 6: Final answer
    x = 68,213,861.10

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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.