Home / 71,221,318.36-106,831,811.43-46,783,502.20

Finding the Fourth Proportional to 71,221,318.36, 106,831,811.43 and 46,783,502.20

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Solution

The fourth proportional to 71,221,318.36, 106,831,811.43 and 46,783,502.20 is: 70,175,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,221,318.36 : 106,831,811.43 = 46,783,502.20 : x
  2. Step 2: Convert to fraction form
    71,221,318.36/106,831,811.43 = 46,783,502.20/x
  3. Step 3: Cross multiply
    71,221,318.36x = 106,831,811.43 × 46,783,502.20
  4. Step 4: Simplify right side
    71,221,318.36x = 4,997,966,285,065,391
  5. Step 5: Solve for x
    x = 4,997,966,285,065,391/71,221,318.36
  6. Step 6: Final answer
    x = 70,175,144.19

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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.