Home / 308,018,539.57-425,086,439.59-174,009,977.45

Finding the Fourth Proportional to 308,018,539.57, 425,086,439.59 and 174,009,977.45

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Solution

The fourth proportional to 308,018,539.57, 425,086,439.59 and 174,009,977.45 is: 240,145,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,018,539.57 : 425,086,439.59 = 174,009,977.45 : x
  2. Step 2: Convert to fraction form
    308,018,539.57/425,086,439.59 = 174,009,977.45/x
  3. Step 3: Cross multiply
    308,018,539.57x = 425,086,439.59 × 174,009,977.45
  4. Step 4: Simplify right side
    308,018,539.57x = 73,969,281,767,984,368
  5. Step 5: Solve for x
    x = 73,969,281,767,984,368/308,018,539.57
  6. Step 6: Final answer
    x = 240,145,550.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.