Home / 217,751,345.94-300,495,951.03-118,631,784.72

Finding the Fourth Proportional to 217,751,345.94, 300,495,951.03 and 118,631,784.72

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Solution

The fourth proportional to 217,751,345.94, 300,495,951.03 and 118,631,784.72 is: 163,711,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,751,345.94 : 300,495,951.03 = 118,631,784.72 : x
  2. Step 2: Convert to fraction form
    217,751,345.94/300,495,951.03 = 118,631,784.72/x
  3. Step 3: Cross multiply
    217,751,345.94x = 300,495,951.03 × 118,631,784.72
  4. Step 4: Simplify right side
    217,751,345.94x = 35,648,370,971,822,620
  5. Step 5: Solve for x
    x = 35,648,370,971,822,620/217,751,345.94
  6. Step 6: Final answer
    x = 163,711,369.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.