Home / 86,831,658.10-119,827,923.96-47,675,971

Finding the Fourth Proportional to 86,831,658.10, 119,827,923.96 and 47,675,971

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Solution

The fourth proportional to 86,831,658.10, 119,827,923.96 and 47,675,971 is: 65,792,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831,658.10 : 119,827,923.96 = 47,675,971 : x
  2. Step 2: Convert to fraction form
    86,831,658.10/119,827,923.96 = 47,675,971/x
  3. Step 3: Cross multiply
    86,831,658.10x = 119,827,923.96 × 47,675,971
  4. Step 4: Simplify right side
    86,831,658.10x = 5,712,912,627,707,165
  5. Step 5: Solve for x
    x = 5,712,912,627,707,165/86,831,658.10
  6. Step 6: Final answer
    x = 65,792,969.44

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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.