Home / 298,949,880.60-448,424,820.90-83,539,128.60

Finding the Fourth Proportional to 298,949,880.60, 448,424,820.90 and 83,539,128.60

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Solution

The fourth proportional to 298,949,880.60, 448,424,820.90 and 83,539,128.60 is: 125,308,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,949,880.60 : 448,424,820.90 = 83,539,128.60 : x
  2. Step 2: Convert to fraction form
    298,949,880.60/448,424,820.90 = 83,539,128.60/x
  3. Step 3: Cross multiply
    298,949,880.60x = 448,424,820.90 × 83,539,128.60
  4. Step 4: Simplify right side
    298,949,880.60x = 37,461,018,780,597,064
  5. Step 5: Solve for x
    x = 37,461,018,780,597,064/298,949,880.60
  6. Step 6: Final answer
    x = 125,308,692.90

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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.