Home / 201,447,008.40-302,170,512.60-140,225,005.20

Finding the Fourth Proportional to 201,447,008.40, 302,170,512.60 and 140,225,005.20

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Solution

The fourth proportional to 201,447,008.40, 302,170,512.60 and 140,225,005.20 is: 210,337,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,447,008.40 : 302,170,512.60 = 140,225,005.20 : x
  2. Step 2: Convert to fraction form
    201,447,008.40/302,170,512.60 = 140,225,005.20/x
  3. Step 3: Cross multiply
    201,447,008.40x = 302,170,512.60 × 140,225,005.20
  4. Step 4: Simplify right side
    201,447,008.40x = 42,371,861,700,621,664
  5. Step 5: Solve for x
    x = 42,371,861,700,621,664/201,447,008.40
  6. Step 6: Final answer
    x = 210,337,507.80

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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.