Home / 133,661,736.80-200,492,605.20-42,788,290.40

Finding the Fourth Proportional to 133,661,736.80, 200,492,605.20 and 42,788,290.40

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Solution

The fourth proportional to 133,661,736.80, 200,492,605.20 and 42,788,290.40 is: 64,182,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,661,736.80 : 200,492,605.20 = 42,788,290.40 : x
  2. Step 2: Convert to fraction form
    133,661,736.80/200,492,605.20 = 42,788,290.40/x
  3. Step 3: Cross multiply
    133,661,736.80x = 200,492,605.20 × 42,788,290.40
  4. Step 4: Simplify right side
    133,661,736.80x = 8,578,735,814,350,149
  5. Step 5: Solve for x
    x = 8,578,735,814,350,149/133,661,736.80
  6. Step 6: Final answer
    x = 64,182,435.60

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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.