Home / 164,749,742.72-247,139,138.88-61,120,148.48

Finding the Fourth Proportional to 164,749,742.72, 247,139,138.88 and 61,120,148.48

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Solution

The fourth proportional to 164,749,742.72, 247,139,138.88 and 61,120,148.48 is: 91,685,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,749,742.72 : 247,139,138.88 = 61,120,148.48 : x
  2. Step 2: Convert to fraction form
    164,749,742.72/247,139,138.88 = 61,120,148.48/x
  3. Step 3: Cross multiply
    164,749,742.72x = 247,139,138.88 × 61,120,148.48
  4. Step 4: Simplify right side
    164,749,742.72x = 15,105,180,863,564,940
  5. Step 5: Solve for x
    x = 15,105,180,863,564,940/164,749,742.72
  6. Step 6: Final answer
    x = 91,685,611.24

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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.