Home / 253,573,982.40-380,360,973.60-91,994,923.20

Finding the Fourth Proportional to 253,573,982.40, 380,360,973.60 and 91,994,923.20

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Solution

The fourth proportional to 253,573,982.40, 380,360,973.60 and 91,994,923.20 is: 137,992,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,573,982.40 : 380,360,973.60 = 91,994,923.20 : x
  2. Step 2: Convert to fraction form
    253,573,982.40/380,360,973.60 = 91,994,923.20/x
  3. Step 3: Cross multiply
    253,573,982.40x = 380,360,973.60 × 91,994,923.20
  4. Step 4: Simplify right side
    253,573,982.40x = 34,991,278,554,609,232
  5. Step 5: Solve for x
    x = 34,991,278,554,609,232/253,573,982.40
  6. Step 6: Final answer
    x = 137,992,384.80

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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.