Home / 250,295,075.40-345,407,948.08-138,793,771.34

Finding the Fourth Proportional to 250,295,075.40, 345,407,948.08 and 138,793,771.34

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Solution

The fourth proportional to 250,295,075.40, 345,407,948.08 and 138,793,771.34 is: 191,535,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,295,075.40 : 345,407,948.08 = 138,793,771.34 : x
  2. Step 2: Convert to fraction form
    250,295,075.40/345,407,948.08 = 138,793,771.34/x
  3. Step 3: Cross multiply
    250,295,075.40x = 345,407,948.08 × 138,793,771.34
  4. Step 4: Simplify right side
    250,295,075.40x = 47,940,471,765,350,648
  5. Step 5: Solve for x
    x = 47,940,471,765,350,648/250,295,075.40
  6. Step 6: Final answer
    x = 191,535,817.03

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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.