Home / 186,630,005.10-279,945,007.65-118,101,672.30

Finding the Fourth Proportional to 186,630,005.10, 279,945,007.65 and 118,101,672.30

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Solution

The fourth proportional to 186,630,005.10, 279,945,007.65 and 118,101,672.30 is: 177,152,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630,005.10 : 279,945,007.65 = 118,101,672.30 : x
  2. Step 2: Convert to fraction form
    186,630,005.10/279,945,007.65 = 118,101,672.30/x
  3. Step 3: Cross multiply
    186,630,005.10x = 279,945,007.65 × 118,101,672.30
  4. Step 4: Simplify right side
    186,630,005.10x = 33,061,973,555,501,288
  5. Step 5: Solve for x
    x = 33,061,973,555,501,288/186,630,005.10
  6. Step 6: Final answer
    x = 177,152,508.45

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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.