Home / 201,901,178.80-302,851,768.20-200,625,720.40

Finding the Fourth Proportional to 201,901,178.80, 302,851,768.20 and 200,625,720.40

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Solution

The fourth proportional to 201,901,178.80, 302,851,768.20 and 200,625,720.40 is: 300,938,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,901,178.80 : 302,851,768.20 = 200,625,720.40 : x
  2. Step 2: Convert to fraction form
    201,901,178.80/302,851,768.20 = 200,625,720.40/x
  3. Step 3: Cross multiply
    201,901,178.80x = 302,851,768.20 × 200,625,720.40
  4. Step 4: Simplify right side
    201,901,178.80x = 60,759,854,169,538,808
  5. Step 5: Solve for x
    x = 60,759,854,169,538,808/201,901,178.80
  6. Step 6: Final answer
    x = 300,938,580.60

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1.5x scale

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.