Home / 212,833,668.27-293,719,005.12-118,756,032.60

Finding the Fourth Proportional to 212,833,668.27, 293,719,005.12 and 118,756,032.60

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Solution

The fourth proportional to 212,833,668.27, 293,719,005.12 and 118,756,032.60 is: 163,888,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,833,668.27 : 293,719,005.12 = 118,756,032.60 : x
  2. Step 2: Convert to fraction form
    212,833,668.27/293,719,005.12 = 118,756,032.60/x
  3. Step 3: Cross multiply
    212,833,668.27x = 293,719,005.12 × 118,756,032.60
  4. Step 4: Simplify right side
    212,833,668.27x = 34,880,903,747,270,284
  5. Step 5: Solve for x
    x = 34,880,903,747,270,284/212,833,668.27
  6. Step 6: Final answer
    x = 163,888,091.72

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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.