Home / 213,146,194.72-294,148,881.12-130,624,042.72

Finding the Fourth Proportional to 213,146,194.72, 294,148,881.12 and 130,624,042.72

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Solution

The fourth proportional to 213,146,194.72, 294,148,881.12 and 130,624,042.72 is: 180,265,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146,194.72 : 294,148,881.12 = 130,624,042.72 : x
  2. Step 2: Convert to fraction form
    213,146,194.72/294,148,881.12 = 130,624,042.72/x
  3. Step 3: Cross multiply
    213,146,194.72x = 294,148,881.12 × 130,624,042.72
  4. Step 4: Simplify right side
    213,146,194.72x = 38,422,916,013,459,080
  5. Step 5: Solve for x
    x = 38,422,916,013,459,080/213,146,194.72
  6. Step 6: Final answer
    x = 180,265,549.96

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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.