Home / 35,584,412.20-53,270,330.10-21,200,075.80

Finding the Fourth Proportional to 35,584,412.20, 53,270,330.10 and 21,200,075.80

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Solution

The fourth proportional to 35,584,412.20, 53,270,330.10 and 21,200,075.80 is: 31,736,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,584,412.20 : 53,270,330.10 = 21,200,075.80 : x
  2. Step 2: Convert to fraction form
    35,584,412.20/53,270,330.10 = 21,200,075.80/x
  3. Step 3: Cross multiply
    35,584,412.20x = 53,270,330.10 × 21,200,075.80
  4. Step 4: Simplify right side
    35,584,412.20x = 1,129,335,036,011,021.75
  5. Step 5: Solve for x
    x = 1,129,335,036,011,021.75/35,584,412.20
  6. Step 6: Final answer
    x = 31,736,790.53

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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.