Home / 213,369,154.72-294,450,335.76-115,584,010.72

Finding the Fourth Proportional to 213,369,154.72, 294,450,335.76 and 115,584,010.72

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Solution

The fourth proportional to 213,369,154.72, 294,450,335.76 and 115,584,010.72 is: 159,506,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,369,154.72 : 294,450,335.76 = 115,584,010.72 : x
  2. Step 2: Convert to fraction form
    213,369,154.72/294,450,335.76 = 115,584,010.72/x
  3. Step 3: Cross multiply
    213,369,154.72x = 294,450,335.76 × 115,584,010.72
  4. Step 4: Simplify right side
    213,369,154.72x = 34,033,750,764,991,436
  5. Step 5: Solve for x
    x = 34,033,750,764,991,436/213,369,154.72
  6. Step 6: Final answer
    x = 159,506,423.55

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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.