Home / 264,688,087.40-397,032,131.10-191,561,805.80

Finding the Fourth Proportional to 264,688,087.40, 397,032,131.10 and 191,561,805.80

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Solution

The fourth proportional to 264,688,087.40, 397,032,131.10 and 191,561,805.80 is: 287,342,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,688,087.40 : 397,032,131.10 = 191,561,805.80 : x
  2. Step 2: Convert to fraction form
    264,688,087.40/397,032,131.10 = 191,561,805.80/x
  3. Step 3: Cross multiply
    264,688,087.40x = 397,032,131.10 × 191,561,805.80
  4. Step 4: Simplify right side
    264,688,087.40x = 76,056,191,994,138,352
  5. Step 5: Solve for x
    x = 76,056,191,994,138,352/264,688,087.40
  6. Step 6: Final answer
    x = 287,342,708.70

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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.