Home / 283,747,533.60-425,621,300.40-79,275,280.80

Finding the Fourth Proportional to 283,747,533.60, 425,621,300.40 and 79,275,280.80

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Solution

The fourth proportional to 283,747,533.60, 425,621,300.40 and 79,275,280.80 is: 118,912,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,747,533.60 : 425,621,300.40 = 79,275,280.80 : x
  2. Step 2: Convert to fraction form
    283,747,533.60/425,621,300.40 = 79,275,280.80/x
  3. Step 3: Cross multiply
    283,747,533.60x = 425,621,300.40 × 79,275,280.80
  4. Step 4: Simplify right side
    283,747,533.60x = 33,741,248,103,671,148
  5. Step 5: Solve for x
    x = 33,741,248,103,671,148/283,747,533.60
  6. Step 6: Final answer
    x = 118,912,921.20

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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.