Home / 186,499,477.20-279,450,617.40-118,219,976.40

Finding the Fourth Proportional to 186,499,477.20, 279,450,617.40 and 118,219,976.40

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Solution

The fourth proportional to 186,499,477.20, 279,450,617.40 and 118,219,976.40 is: 177,140,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,499,477.20 : 279,450,617.40 = 118,219,976.40 : x
  2. Step 2: Convert to fraction form
    186,499,477.20/279,450,617.40 = 118,219,976.40/x
  3. Step 3: Cross multiply
    186,499,477.20x = 279,450,617.40 × 118,219,976.40
  4. Step 4: Simplify right side
    186,499,477.20x = 33,036,645,393,993,428
  5. Step 5: Solve for x
    x = 33,036,645,393,993,428/186,499,477.20
  6. Step 6: Final answer
    x = 177,140,686.34

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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.