Home / 403,307,564.40-605,035,996.20-130,687,225.20

Finding the Fourth Proportional to 403,307,564.40, 605,035,996.20 and 130,687,225.20

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Solution

The fourth proportional to 403,307,564.40, 605,035,996.20 and 130,687,225.20 is: 196,055,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,307,564.40 : 605,035,996.20 = 130,687,225.20 : x
  2. Step 2: Convert to fraction form
    403,307,564.40/605,035,996.20 = 130,687,225.20/x
  3. Step 3: Cross multiply
    403,307,564.40x = 605,035,996.20 × 130,687,225.20
  4. Step 4: Simplify right side
    403,307,564.40x = 79,070,475,489,495,760
  5. Step 5: Solve for x
    x = 79,070,475,489,495,760/403,307,564.40
  6. Step 6: Final answer
    x = 196,055,027.15

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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.