Home / 51,911,702.67-71,638,023.36-29,877,158.25

Finding the Fourth Proportional to 51,911,702.67, 71,638,023.36 and 29,877,158.25

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Solution

The fourth proportional to 51,911,702.67, 71,638,023.36 and 29,877,158.25 is: 41,230,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911,702.67 : 71,638,023.36 = 29,877,158.25 : x
  2. Step 2: Convert to fraction form
    51,911,702.67/71,638,023.36 = 29,877,158.25/x
  3. Step 3: Cross multiply
    51,911,702.67x = 71,638,023.36 × 29,877,158.25
  4. Step 4: Simplify right side
    51,911,702.67x = 2,140,340,560,643,916.75
  5. Step 5: Solve for x
    x = 2,140,340,560,643,916.75/51,911,702.67
  6. Step 6: Final answer
    x = 41,230,405.68

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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.