Home / 190,504,191,782.64-285,756,287,575.52-71,130,838,752.30

Finding the Fourth Proportional to 190,504,191,782.64, 285,756,287,575.52 and 71,130,838,752.30

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Solution

The fourth proportional to 190,504,191,782.64, 285,756,287,575.52 and 71,130,838,752.30 is: 106,696,258,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,504,191,782.64 : 285,756,287,575.52 = 71,130,838,752.30 : x
  2. Step 2: Convert to fraction form
    190,504,191,782.64/285,756,287,575.52 = 71,130,838,752.30/x
  3. Step 3: Cross multiply
    190,504,191,782.64x = 285,756,287,575.52 × 71,130,838,752.30
  4. Step 4: Simplify right side
    190,504,191,782.64x = 20,326,084,413,990,182,584,320
  5. Step 5: Solve for x
    x = 20,326,084,413,990,182,584,320/190,504,191,782.64
  6. Step 6: Final answer
    x = 106,696,258,091.69

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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.