Home / 52,451,998.80-78,677,998.20-52,116,075.60

Finding the Fourth Proportional to 52,451,998.80, 78,677,998.20 and 52,116,075.60

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Solution

The fourth proportional to 52,451,998.80, 78,677,998.20 and 52,116,075.60 is: 78,174,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451,998.80 : 78,677,998.20 = 52,116,075.60 : x
  2. Step 2: Convert to fraction form
    52,451,998.80/78,677,998.20 = 52,116,075.60/x
  3. Step 3: Cross multiply
    52,451,998.80x = 78,677,998.20 × 52,116,075.60
  4. Step 4: Simplify right side
    52,451,998.80x = 4,100,388,502,247,864
  5. Step 5: Solve for x
    x = 4,100,388,502,247,864/52,451,998.80
  6. Step 6: Final answer
    x = 78,174,113.40

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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.