Home / 43,164,961.40-64,747,442.10-39,637,767.80

Finding the Fourth Proportional to 43,164,961.40, 64,747,442.10 and 39,637,767.80

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Solution

The fourth proportional to 43,164,961.40, 64,747,442.10 and 39,637,767.80 is: 59,456,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164,961.40 : 64,747,442.10 = 39,637,767.80 : x
  2. Step 2: Convert to fraction form
    43,164,961.40/64,747,442.10 = 39,637,767.80/x
  3. Step 3: Cross multiply
    43,164,961.40x = 64,747,442.10 × 39,637,767.80
  4. Step 4: Simplify right side
    43,164,961.40x = 2,566,444,075,603,744
  5. Step 5: Solve for x
    x = 2,566,444,075,603,744/43,164,961.40
  6. Step 6: Final answer
    x = 59,456,651.70

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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.