Home / 196,830,387.40-295,245,581.10-114,865,126.60

Finding the Fourth Proportional to 196,830,387.40, 295,245,581.10 and 114,865,126.60

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Solution

The fourth proportional to 196,830,387.40, 295,245,581.10 and 114,865,126.60 is: 172,297,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,387.40 : 295,245,581.10 = 114,865,126.60 : x
  2. Step 2: Convert to fraction form
    196,830,387.40/295,245,581.10 = 114,865,126.60/x
  3. Step 3: Cross multiply
    196,830,387.40x = 295,245,581.10 × 114,865,126.60
  4. Step 4: Simplify right side
    196,830,387.40x = 33,913,421,051,142,068
  5. Step 5: Solve for x
    x = 33,913,421,051,142,068/196,830,387.40
  6. Step 6: Final answer
    x = 172,297,689.90

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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.