Home / 119,768,120.20-165,280,996.56-66,124,509.40

Finding the Fourth Proportional to 119,768,120.20, 165,280,996.56 and 66,124,509.40

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Solution

The fourth proportional to 119,768,120.20, 165,280,996.56 and 66,124,509.40 is: 91,252,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,768,120.20 : 165,280,996.56 = 66,124,509.40 : x
  2. Step 2: Convert to fraction form
    119,768,120.20/165,280,996.56 = 66,124,509.40/x
  3. Step 3: Cross multiply
    119,768,120.20x = 165,280,996.56 × 66,124,509.40
  4. Step 4: Simplify right side
    119,768,120.20x = 10,929,124,810,673,088
  5. Step 5: Solve for x
    x = 10,929,124,810,673,088/119,768,120.20
  6. Step 6: Final answer
    x = 91,252,369.93

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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.