Home / 150,586,987.60-225,875,815.80-42,881,611.60

Finding the Fourth Proportional to 150,586,987.60, 225,875,815.80 and 42,881,611.60

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Solution

The fourth proportional to 150,586,987.60, 225,875,815.80 and 42,881,611.60 is: 64,321,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,586,987.60 : 225,875,815.80 = 42,881,611.60 : x
  2. Step 2: Convert to fraction form
    150,586,987.60/225,875,815.80 = 42,881,611.60/x
  3. Step 3: Cross multiply
    150,586,987.60x = 225,875,815.80 × 42,881,611.60
  4. Step 4: Simplify right side
    150,586,987.60x = 9,685,919,002,968,744
  5. Step 5: Solve for x
    x = 9,685,919,002,968,744/150,586,987.60
  6. Step 6: Final answer
    x = 64,321,088.81

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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.