Home / 201,388,280.40-302,231,719.80-133,208,312.40

Finding the Fourth Proportional to 201,388,280.40, 302,231,719.80 and 133,208,312.40

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Solution

The fourth proportional to 201,388,280.40, 302,231,719.80 and 133,208,312.40 is: 199,911,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,388,280.40 : 302,231,719.80 = 133,208,312.40 : x
  2. Step 2: Convert to fraction form
    201,388,280.40/302,231,719.80 = 133,208,312.40/x
  3. Step 3: Cross multiply
    201,388,280.40x = 302,231,719.80 × 133,208,312.40
  4. Step 4: Simplify right side
    201,388,280.40x = 40,259,777,348,307,672
  5. Step 5: Solve for x
    x = 40,259,777,348,307,672/201,388,280.40
  6. Step 6: Final answer
    x = 199,911,222.58

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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.