Home / 253,003,304.04-379,513,357.04-87,005,180.50

Finding the Fourth Proportional to 253,003,304.04, 379,513,357.04 and 87,005,180.50

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Solution

The fourth proportional to 253,003,304.04, 379,513,357.04 and 87,005,180.50 is: 130,510,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,003,304.04 : 379,513,357.04 = 87,005,180.50 : x
  2. Step 2: Convert to fraction form
    253,003,304.04/379,513,357.04 = 87,005,180.50/x
  3. Step 3: Cross multiply
    253,003,304.04x = 379,513,357.04 × 87,005,180.50
  4. Step 4: Simplify right side
    253,003,304.04x = 33,019,628,131,426,148
  5. Step 5: Solve for x
    x = 33,019,628,131,426,148/253,003,304.04
  6. Step 6: Final answer
    x = 130,510,659.76

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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.