Home / 201,397,445.40-301,919,021.10-136,490,784.60

Finding the Fourth Proportional to 201,397,445.40, 301,919,021.10 and 136,490,784.60

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Solution

The fourth proportional to 201,397,445.40, 301,919,021.10 and 136,490,784.60 is: 204,616,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,445.40 : 301,919,021.10 = 136,490,784.60 : x
  2. Step 2: Convert to fraction form
    201,397,445.40/301,919,021.10 = 136,490,784.60/x
  3. Step 3: Cross multiply
    201,397,445.40x = 301,919,021.10 × 136,490,784.60
  4. Step 4: Simplify right side
    201,397,445.40x = 41,209,164,075,602,960
  5. Step 5: Solve for x
    x = 41,209,164,075,602,960/201,397,445.40
  6. Step 6: Final answer
    x = 204,616,121.09

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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.