Home / 85,683,871.82-118,247,133.45-48,007,360.72

Finding the Fourth Proportional to 85,683,871.82, 118,247,133.45 and 48,007,360.72

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Solution

The fourth proportional to 85,683,871.82, 118,247,133.45 and 48,007,360.72 is: 66,252,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683,871.82 : 118,247,133.45 = 48,007,360.72 : x
  2. Step 2: Convert to fraction form
    85,683,871.82/118,247,133.45 = 48,007,360.72/x
  3. Step 3: Cross multiply
    85,683,871.82x = 118,247,133.45 × 48,007,360.72
  4. Step 4: Simplify right side
    85,683,871.82x = 5,676,732,789,640,128
  5. Step 5: Solve for x
    x = 5,676,732,789,640,128/85,683,871.82
  6. Step 6: Final answer
    x = 66,252,057.35

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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.