Home / 289,958,878.10-434,938,317.15-160,964,369.30

Finding the Fourth Proportional to 289,958,878.10, 434,938,317.15 and 160,964,369.30

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Solution

The fourth proportional to 289,958,878.10, 434,938,317.15 and 160,964,369.30 is: 241,446,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,958,878.10 : 434,938,317.15 = 160,964,369.30 : x
  2. Step 2: Convert to fraction form
    289,958,878.10/434,938,317.15 = 160,964,369.30/x
  3. Step 3: Cross multiply
    289,958,878.10x = 434,938,317.15 × 160,964,369.30
  4. Step 4: Simplify right side
    289,958,878.10x = 70,009,571,904,453,128
  5. Step 5: Solve for x
    x = 70,009,571,904,453,128/289,958,878.10
  6. Step 6: Final answer
    x = 241,446,553.95

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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.