Home / 201,441,683.40-302,162,525.10-140,219,680.20

Finding the Fourth Proportional to 201,441,683.40, 302,162,525.10 and 140,219,680.20

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Solution

The fourth proportional to 201,441,683.40, 302,162,525.10 and 140,219,680.20 is: 210,329,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,441,683.40 : 302,162,525.10 = 140,219,680.20 : x
  2. Step 2: Convert to fraction form
    201,441,683.40/302,162,525.10 = 140,219,680.20/x
  3. Step 3: Cross multiply
    201,441,683.40x = 302,162,525.10 × 140,219,680.20
  4. Step 4: Simplify right side
    201,441,683.40x = 42,369,132,637,946,472
  5. Step 5: Solve for x
    x = 42,369,132,637,946,472/201,441,683.40
  6. Step 6: Final answer
    x = 210,329,520.30

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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.