Home / 299,014,590.40-448,605,866.40-145,665,649.60

Finding the Fourth Proportional to 299,014,590.40, 448,605,866.40 and 145,665,649.60

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Solution

The fourth proportional to 299,014,590.40, 448,605,866.40 and 145,665,649.60 is: 218,539,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,014,590.40 : 448,605,866.40 = 145,665,649.60 : x
  2. Step 2: Convert to fraction form
    299,014,590.40/448,605,866.40 = 145,665,649.60/x
  3. Step 3: Cross multiply
    299,014,590.40x = 448,605,866.40 × 145,665,649.60
  4. Step 4: Simplify right side
    299,014,590.40x = 65,346,464,943,526,808
  5. Step 5: Solve for x
    x = 65,346,464,943,526,808/299,014,590.40
  6. Step 6: Final answer
    x = 218,539,385.84

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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.