Home / 85,140,015.40-127,726,611.90-34,013,333.80

Finding the Fourth Proportional to 85,140,015.40, 127,726,611.90 and 34,013,333.80

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Solution

The fourth proportional to 85,140,015.40, 127,726,611.90 and 34,013,333.80 is: 51,026,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,140,015.40 : 127,726,611.90 = 34,013,333.80 : x
  2. Step 2: Convert to fraction form
    85,140,015.40/127,726,611.90 = 34,013,333.80/x
  3. Step 3: Cross multiply
    85,140,015.40x = 127,726,611.90 × 34,013,333.80
  4. Step 4: Simplify right side
    85,140,015.40x = 4,344,407,885,697,752
  5. Step 5: Solve for x
    x = 4,344,407,885,697,752/85,140,015.40
  6. Step 6: Final answer
    x = 51,026,627.91

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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.