Home / 57,626,137.92-79,523,134.60-31,520,427.40

Finding the Fourth Proportional to 57,626,137.92, 79,523,134.60 and 31,520,427.40

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Solution

The fourth proportional to 57,626,137.92, 79,523,134.60 and 31,520,427.40 is: 43,497,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,626,137.92 : 79,523,134.60 = 31,520,427.40 : x
  2. Step 2: Convert to fraction form
    57,626,137.92/79,523,134.60 = 31,520,427.40/x
  3. Step 3: Cross multiply
    57,626,137.92x = 79,523,134.60 × 31,520,427.40
  4. Step 4: Simplify right side
    57,626,137.92x = 2,506,603,190,779,727.50
  5. Step 5: Solve for x
    x = 2,506,603,190,779,727.50/57,626,137.92
  6. Step 6: Final answer
    x = 43,497,677.99

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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.