Home / 201,619,717.60-302,230,510.80-99,299,999.20

Finding the Fourth Proportional to 201,619,717.60, 302,230,510.80 and 99,299,999.20

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Solution

The fourth proportional to 201,619,717.60, 302,230,510.80 and 99,299,999.20 is: 148,851,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,619,717.60 : 302,230,510.80 = 99,299,999.20 : x
  2. Step 2: Convert to fraction form
    201,619,717.60/302,230,510.80 = 99,299,999.20/x
  3. Step 3: Cross multiply
    201,619,717.60x = 302,230,510.80 × 99,299,999.20
  4. Step 4: Simplify right side
    201,619,717.60x = 30,011,489,480,655,592
  5. Step 5: Solve for x
    x = 30,011,489,480,655,592/201,619,717.60
  6. Step 6: Final answer
    x = 148,851,956.73

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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.