Home / 55,331,347.80-83,011,536.90-21,253,805.40

Finding the Fourth Proportional to 55,331,347.80, 83,011,536.90 and 21,253,805.40

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Solution

The fourth proportional to 55,331,347.80, 83,011,536.90 and 21,253,805.40 is: 31,886,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331,347.80 : 83,011,536.90 = 21,253,805.40 : x
  2. Step 2: Convert to fraction form
    55,331,347.80/83,011,536.90 = 21,253,805.40/x
  3. Step 3: Cross multiply
    55,331,347.80x = 83,011,536.90 × 21,253,805.40
  4. Step 4: Simplify right side
    55,331,347.80x = 1,764,311,051,227,519.25
  5. Step 5: Solve for x
    x = 1,764,311,051,227,519.25/55,331,347.80
  6. Step 6: Final answer
    x = 31,886,283.66

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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.