Home / 118,484,343.90-163,508,986.11-66,273,379.42

Finding the Fourth Proportional to 118,484,343.90, 163,508,986.11 and 66,273,379.42

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Solution

The fourth proportional to 118,484,343.90, 163,508,986.11 and 66,273,379.42 is: 91,457,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,484,343.90 : 163,508,986.11 = 66,273,379.42 : x
  2. Step 2: Convert to fraction form
    118,484,343.90/163,508,986.11 = 66,273,379.42/x
  3. Step 3: Cross multiply
    118,484,343.90x = 163,508,986.11 × 66,273,379.42
  4. Step 4: Simplify right side
    118,484,343.90x = 10,836,293,075,047,542
  5. Step 5: Solve for x
    x = 10,836,293,075,047,542/118,484,343.90
  6. Step 6: Final answer
    x = 91,457,594.47

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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.