Home / 71,697,794,507.75-98,987,609,428.11-45,640,862,102.66

Finding the Fourth Proportional to 71,697,794,507.75, 98,987,609,428.11 and 45,640,862,102.66

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Solution

The fourth proportional to 71,697,794,507.75, 98,987,609,428.11 and 45,640,862,102.66 is: 63,012,814,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697,794,507.75 : 98,987,609,428.11 = 45,640,862,102.66 : x
  2. Step 2: Convert to fraction form
    71,697,794,507.75/98,987,609,428.11 = 45,640,862,102.66/x
  3. Step 3: Cross multiply
    71,697,794,507.75x = 98,987,609,428.11 × 45,640,862,102.66
  4. Step 4: Simplify right side
    71,697,794,507.75x = 4,517,879,831,779,840,360,448
  5. Step 5: Solve for x
    x = 4,517,879,831,779,840,360,448/71,697,794,507.75
  6. Step 6: Final answer
    x = 63,012,814,589.32

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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.