Home / 165,811,261.60-248,642,242.80-74,888,048.80

Finding the Fourth Proportional to 165,811,261.60, 248,642,242.80 and 74,888,048.80

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Solution

The fourth proportional to 165,811,261.60, 248,642,242.80 and 74,888,048.80 is: 112,298,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,811,261.60 : 248,642,242.80 = 74,888,048.80 : x
  2. Step 2: Convert to fraction form
    165,811,261.60/248,642,242.80 = 74,888,048.80/x
  3. Step 3: Cross multiply
    165,811,261.60x = 248,642,242.80 × 74,888,048.80
  4. Step 4: Simplify right side
    165,811,261.60x = 18,620,332,412,547,848
  5. Step 5: Solve for x
    x = 18,620,332,412,547,848/165,811,261.60
  6. Step 6: Final answer
    x = 112,298,357.98

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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.