Home / 282,321,015.80-423,631,989.30-109,803,457.40

Finding the Fourth Proportional to 282,321,015.80, 423,631,989.30 and 109,803,457.40

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Solution

The fourth proportional to 282,321,015.80, 423,631,989.30 and 109,803,457.40 is: 164,763,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,321,015.80 : 423,631,989.30 = 109,803,457.40 : x
  2. Step 2: Convert to fraction form
    282,321,015.80/423,631,989.30 = 109,803,457.40/x
  3. Step 3: Cross multiply
    282,321,015.80x = 423,631,989.30 × 109,803,457.40
  4. Step 4: Simplify right side
    282,321,015.80x = 46,516,257,090,379,808
  5. Step 5: Solve for x
    x = 46,516,257,090,379,808/282,321,015.80
  6. Step 6: Final answer
    x = 164,763,706.87

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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.