Home / 149,328,015.40-223,992,023.10-47,102,386.60

Finding the Fourth Proportional to 149,328,015.40, 223,992,023.10 and 47,102,386.60

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Solution

The fourth proportional to 149,328,015.40, 223,992,023.10 and 47,102,386.60 is: 70,653,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328,015.40 : 223,992,023.10 = 47,102,386.60 : x
  2. Step 2: Convert to fraction form
    149,328,015.40/223,992,023.10 = 47,102,386.60/x
  3. Step 3: Cross multiply
    149,328,015.40x = 223,992,023.10 × 47,102,386.60
  4. Step 4: Simplify right side
    149,328,015.40x = 10,550,558,867,372,330
  5. Step 5: Solve for x
    x = 10,550,558,867,372,330/149,328,015.40
  6. Step 6: Final answer
    x = 70,653,579.90

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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.