Home / 79,174,955.70-118,762,433.55-66,420,371.70

Finding the Fourth Proportional to 79,174,955.70, 118,762,433.55 and 66,420,371.70

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Solution

The fourth proportional to 79,174,955.70, 118,762,433.55 and 66,420,371.70 is: 99,630,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174,955.70 : 118,762,433.55 = 66,420,371.70 : x
  2. Step 2: Convert to fraction form
    79,174,955.70/118,762,433.55 = 66,420,371.70/x
  3. Step 3: Cross multiply
    79,174,955.70x = 118,762,433.55 × 66,420,371.70
  4. Step 4: Simplify right side
    79,174,955.70x = 7,888,244,980,387,551
  5. Step 5: Solve for x
    x = 7,888,244,980,387,551/79,174,955.70
  6. Step 6: Final answer
    x = 99,630,557.55

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1.5x scale

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.