Home / 51,290,987.80-70,781,461.46-27,769,518.11

Finding the Fourth Proportional to 51,290,987.80, 70,781,461.46 and 27,769,518.11

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Solution

The fourth proportional to 51,290,987.80, 70,781,461.46 and 27,769,518.11 is: 38,321,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290,987.80 : 70,781,461.46 = 27,769,518.11 : x
  2. Step 2: Convert to fraction form
    51,290,987.80/70,781,461.46 = 27,769,518.11/x
  3. Step 3: Cross multiply
    51,290,987.80x = 70,781,461.46 × 27,769,518.11
  4. Step 4: Simplify right side
    51,290,987.80x = 1,965,567,075,581,253.75
  5. Step 5: Solve for x
    x = 1,965,567,075,581,253.75/51,290,987.80
  6. Step 6: Final answer
    x = 38,321,879.92

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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.