Home / 308,585,784.40-462,693,918.52-104,109,332.56

Finding the Fourth Proportional to 308,585,784.40, 462,693,918.52 and 104,109,332.56

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Solution

The fourth proportional to 308,585,784.40, 462,693,918.52 and 104,109,332.56 is: 156,101,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,585,784.40 : 462,693,918.52 = 104,109,332.56 : x
  2. Step 2: Convert to fraction form
    308,585,784.40/462,693,918.52 = 104,109,332.56/x
  3. Step 3: Cross multiply
    308,585,784.40x = 462,693,918.52 × 104,109,332.56
  4. Step 4: Simplify right side
    308,585,784.40x = 48,170,755,036,688,224
  5. Step 5: Solve for x
    x = 48,170,755,036,688,224/308,585,784.40
  6. Step 6: Final answer
    x = 156,101,665.96

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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.