Home / 104,868,137.80-157,302,206.70-66,698,864.20

Finding the Fourth Proportional to 104,868,137.80, 157,302,206.70 and 66,698,864.20

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Solution

The fourth proportional to 104,868,137.80, 157,302,206.70 and 66,698,864.20 is: 100,048,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,868,137.80 : 157,302,206.70 = 66,698,864.20 : x
  2. Step 2: Convert to fraction form
    104,868,137.80/157,302,206.70 = 66,698,864.20/x
  3. Step 3: Cross multiply
    104,868,137.80x = 157,302,206.70 × 66,698,864.20
  4. Step 4: Simplify right side
    104,868,137.80x = 10,491,878,523,043,630
  5. Step 5: Solve for x
    x = 10,491,878,523,043,630/104,868,137.80
  6. Step 6: Final answer
    x = 100,048,296.30

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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.