Home / 71,660,374,199.30-98,893,691,554.49-39,109,370,159.50

Finding the Fourth Proportional to 71,660,374,199.30, 98,893,691,554.49 and 39,109,370,159.50

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Solution

The fourth proportional to 71,660,374,199.30, 98,893,691,554.49 and 39,109,370,159.50 is: 53,972,227,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660,374,199.30 : 98,893,691,554.49 = 39,109,370,159.50 : x
  2. Step 2: Convert to fraction form
    71,660,374,199.30/98,893,691,554.49 = 39,109,370,159.50/x
  3. Step 3: Cross multiply
    71,660,374,199.30x = 98,893,691,554.49 × 39,109,370,159.50
  4. Step 4: Simplify right side
    71,660,374,199.30x = 3,867,669,989,443,968,696,320
  5. Step 5: Solve for x
    x = 3,867,669,989,443,968,696,320/71,660,374,199.30
  6. Step 6: Final answer
    x = 53,972,227,087.28

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1.5x scale

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.