Home / 282,321,010.80-423,631,981.80-109,803,452.40

Finding the Fourth Proportional to 282,321,010.80, 423,631,981.80 and 109,803,452.40

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Solution

The fourth proportional to 282,321,010.80, 423,631,981.80 and 109,803,452.40 is: 164,763,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,321,010.80 : 423,631,981.80 = 109,803,452.40 : x
  2. Step 2: Convert to fraction form
    282,321,010.80/423,631,981.80 = 109,803,452.40/x
  3. Step 3: Cross multiply
    282,321,010.80x = 423,631,981.80 × 109,803,452.40
  4. Step 4: Simplify right side
    282,321,010.80x = 46,516,254,148,693,968
  5. Step 5: Solve for x
    x = 46,516,254,148,693,968/282,321,010.80
  6. Step 6: Final answer
    x = 164,763,699.37

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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.