Home / 190,677,290.72-263,113,287.96-112,355,746.88

Finding the Fourth Proportional to 190,677,290.72, 263,113,287.96 and 112,355,746.88

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Solution

The fourth proportional to 190,677,290.72, 263,113,287.96 and 112,355,746.88 is: 155,038,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,677,290.72 : 263,113,287.96 = 112,355,746.88 : x
  2. Step 2: Convert to fraction form
    190,677,290.72/263,113,287.96 = 112,355,746.88/x
  3. Step 3: Cross multiply
    190,677,290.72x = 263,113,287.96 × 112,355,746.88
  4. Step 4: Simplify right side
    190,677,290.72x = 29,562,289,982,798,312
  5. Step 5: Solve for x
    x = 29,562,289,982,798,312/190,677,290.72
  6. Step 6: Final answer
    x = 155,038,336.61

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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.