Home / 390,330,175.04-585,437,670.54-113,907,169.44

Finding the Fourth Proportional to 390,330,175.04, 585,437,670.54 and 113,907,169.44

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Solution

The fourth proportional to 390,330,175.04, 585,437,670.54 and 113,907,169.44 is: 170,843,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,330,175.04 : 585,437,670.54 = 113,907,169.44 : x
  2. Step 2: Convert to fraction form
    390,330,175.04/585,437,670.54 = 113,907,169.44/x
  3. Step 3: Cross multiply
    390,330,175.04x = 585,437,670.54 × 113,907,169.44
  4. Step 4: Simplify right side
    390,330,175.04x = 66,685,547,934,758,672
  5. Step 5: Solve for x
    x = 66,685,547,934,758,672/390,330,175.04
  6. Step 6: Final answer
    x = 170,843,947.51

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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.