Home / 201,444,143.40-302,166,215.10-140,222,140.20

Finding the Fourth Proportional to 201,444,143.40, 302,166,215.10 and 140,222,140.20

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Solution

The fourth proportional to 201,444,143.40, 302,166,215.10 and 140,222,140.20 is: 210,333,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,444,143.40 : 302,166,215.10 = 140,222,140.20 : x
  2. Step 2: Convert to fraction form
    201,444,143.40/302,166,215.10 = 140,222,140.20/x
  3. Step 3: Cross multiply
    201,444,143.40x = 302,166,215.10 × 140,222,140.20
  4. Step 4: Simplify right side
    201,444,143.40x = 42,370,393,377,455,560
  5. Step 5: Solve for x
    x = 42,370,393,377,455,560/201,444,143.40
  6. Step 6: Final answer
    x = 210,333,210.30

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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.