Home / 74,637,140.10-111,961,377.45-25,437,702.30

Finding the Fourth Proportional to 74,637,140.10, 111,961,377.45 and 25,437,702.30

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Solution

The fourth proportional to 74,637,140.10, 111,961,377.45 and 25,437,702.30 is: 38,158,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,637,140.10 : 111,961,377.45 = 25,437,702.30 : x
  2. Step 2: Convert to fraction form
    74,637,140.10/111,961,377.45 = 25,437,702.30/x
  3. Step 3: Cross multiply
    74,637,140.10x = 111,961,377.45 × 25,437,702.30
  4. Step 4: Simplify right side
    74,637,140.10x = 2,848,040,188,671,033.50
  5. Step 5: Solve for x
    x = 2,848,040,188,671,033.50/74,637,140.10
  6. Step 6: Final answer
    x = 38,158,484.97

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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.