Home / 64,645,397.60-89,212,544.93-35,278,626.47

Finding the Fourth Proportional to 64,645,397.60, 89,212,544.93 and 35,278,626.47

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Solution

The fourth proportional to 64,645,397.60, 89,212,544.93 and 35,278,626.47 is: 48,685,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645,397.60 : 89,212,544.93 = 35,278,626.47 : x
  2. Step 2: Convert to fraction form
    64,645,397.60/89,212,544.93 = 35,278,626.47/x
  3. Step 3: Cross multiply
    64,645,397.60x = 89,212,544.93 × 35,278,626.47
  4. Step 4: Simplify right side
    64,645,397.60x = 3,147,296,048,401,106.50
  5. Step 5: Solve for x
    x = 3,147,296,048,401,106.50/64,645,397.60
  6. Step 6: Final answer
    x = 48,685,539.35

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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.