Home / 163,537,957.72-245,416,025.04-84,827,007.55

Finding the Fourth Proportional to 163,537,957.72, 245,416,025.04 and 84,827,007.55

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Solution

The fourth proportional to 163,537,957.72, 245,416,025.04 and 84,827,007.55 is: 127,297,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,537,957.72 : 245,416,025.04 = 84,827,007.55 : x
  2. Step 2: Convert to fraction form
    163,537,957.72/245,416,025.04 = 84,827,007.55/x
  3. Step 3: Cross multiply
    163,537,957.72x = 245,416,025.04 × 84,827,007.55
  4. Step 4: Simplify right side
    163,537,957.72x = 20,817,907,008,959,068
  5. Step 5: Solve for x
    x = 20,817,907,008,959,068/163,537,957.72
  6. Step 6: Final answer
    x = 127,297,095.42

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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.