Home / 43,603,643.80-65,405,465.70-39,564,692.20

Finding the Fourth Proportional to 43,603,643.80, 65,405,465.70 and 39,564,692.20

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Solution

The fourth proportional to 43,603,643.80, 65,405,465.70 and 39,564,692.20 is: 59,347,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,603,643.80 : 65,405,465.70 = 39,564,692.20 : x
  2. Step 2: Convert to fraction form
    43,603,643.80/65,405,465.70 = 39,564,692.20/x
  3. Step 3: Cross multiply
    43,603,643.80x = 65,405,465.70 × 39,564,692.20
  4. Step 4: Simplify right side
    43,603,643.80x = 2,587,747,118,618,158
  5. Step 5: Solve for x
    x = 2,587,747,118,618,158/43,603,643.80
  6. Step 6: Final answer
    x = 59,347,038.30

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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.