Home / 289,958,899.60-434,938,349.40-160,964,390.80

Finding the Fourth Proportional to 289,958,899.60, 434,938,349.40 and 160,964,390.80

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Solution

The fourth proportional to 289,958,899.60, 434,938,349.40 and 160,964,390.80 is: 241,446,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,958,899.60 : 434,938,349.40 = 160,964,390.80 : x
  2. Step 2: Convert to fraction form
    289,958,899.60/434,938,349.40 = 160,964,390.80/x
  3. Step 3: Cross multiply
    289,958,899.60x = 434,938,349.40 × 160,964,390.80
  4. Step 4: Simplify right side
    289,958,899.60x = 70,009,586,446,728,544
  5. Step 5: Solve for x
    x = 70,009,586,446,728,544/289,958,899.60
  6. Step 6: Final answer
    x = 241,446,586.20

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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.