Home / 201,619,720.60-302,230,515.30-99,300,002.20

Finding the Fourth Proportional to 201,619,720.60, 302,230,515.30 and 99,300,002.20

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Solution

The fourth proportional to 201,619,720.60, 302,230,515.30 and 99,300,002.20 is: 148,851,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,619,720.60 : 302,230,515.30 = 99,300,002.20 : x
  2. Step 2: Convert to fraction form
    201,619,720.60/302,230,515.30 = 99,300,002.20/x
  3. Step 3: Cross multiply
    201,619,720.60x = 302,230,515.30 × 99,300,002.20
  4. Step 4: Simplify right side
    201,619,720.60x = 30,011,490,834,197,136
  5. Step 5: Solve for x
    x = 30,011,490,834,197,136/201,619,720.60
  6. Step 6: Final answer
    x = 148,851,961.23

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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.