Home / 72,684,011.81-109,047,127.43-23,498,814.96

Finding the Fourth Proportional to 72,684,011.81, 109,047,127.43 and 23,498,814.96

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Solution

The fourth proportional to 72,684,011.81, 109,047,127.43 and 23,498,814.96 is: 35,255,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,684,011.81 : 109,047,127.43 = 23,498,814.96 : x
  2. Step 2: Convert to fraction form
    72,684,011.81/109,047,127.43 = 23,498,814.96/x
  3. Step 3: Cross multiply
    72,684,011.81x = 109,047,127.43 × 23,498,814.96
  4. Step 4: Simplify right side
    72,684,011.81x = 2,562,478,269,455,857.50
  5. Step 5: Solve for x
    x = 2,562,478,269,455,857.50/72,684,011.81
  6. Step 6: Final answer
    x = 35,255,047.23

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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.