Home / 317,195,636.35-475,782,985-130,443,116.35

Finding the Fourth Proportional to 317,195,636.35, 475,782,985 and 130,443,116.35

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Solution

The fourth proportional to 317,195,636.35, 475,782,985 and 130,443,116.35 is: 195,660,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,195,636.35 : 475,782,985 = 130,443,116.35 : x
  2. Step 2: Convert to fraction form
    317,195,636.35/475,782,985 = 130,443,116.35/x
  3. Step 3: Cross multiply
    317,195,636.35x = 475,782,985 × 130,443,116.35
  4. Step 4: Simplify right side
    317,195,636.35x = 62,062,615,269,705,304
  5. Step 5: Solve for x
    x = 62,062,615,269,705,304/317,195,636.35
  6. Step 6: Final answer
    x = 195,660,369.05

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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.