Home / 186,499,474.20-279,450,612.90-118,219,973.40

Finding the Fourth Proportional to 186,499,474.20, 279,450,612.90 and 118,219,973.40

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Solution

The fourth proportional to 186,499,474.20, 279,450,612.90 and 118,219,973.40 is: 177,140,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,499,474.20 : 279,450,612.90 = 118,219,973.40 : x
  2. Step 2: Convert to fraction form
    186,499,474.20/279,450,612.90 = 118,219,973.40/x
  3. Step 3: Cross multiply
    186,499,474.20x = 279,450,612.90 × 118,219,973.40
  4. Step 4: Simplify right side
    186,499,474.20x = 33,036,644,023,651,696
  5. Step 5: Solve for x
    x = 33,036,644,023,651,696/186,499,474.20
  6. Step 6: Final answer
    x = 177,140,681.85

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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.