Home / 326,139,448.17-489,209,171.45-118,893,401.43

Finding the Fourth Proportional to 326,139,448.17, 489,209,171.45 and 118,893,401.43

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Solution

The fourth proportional to 326,139,448.17, 489,209,171.45 and 118,893,401.43 is: 178,340,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,139,448.17 : 489,209,171.45 = 118,893,401.43 : x
  2. Step 2: Convert to fraction form
    326,139,448.17/489,209,171.45 = 118,893,401.43/x
  3. Step 3: Cross multiply
    326,139,448.17x = 489,209,171.45 × 118,893,401.43
  4. Step 4: Simplify right side
    326,139,448.17x = 58,163,742,403,848,080
  5. Step 5: Solve for x
    x = 58,163,742,403,848,080/326,139,448.17
  6. Step 6: Final answer
    x = 178,340,101.85

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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.