Home / 268,406,884.98-402,726,911.58-145,671,914.43

Finding the Fourth Proportional to 268,406,884.98, 402,726,911.58 and 145,671,914.43

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Solution

The fourth proportional to 268,406,884.98, 402,726,911.58 and 145,671,914.43 is: 218,571,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,406,884.98 : 402,726,911.58 = 145,671,914.43 : x
  2. Step 2: Convert to fraction form
    268,406,884.98/402,726,911.58 = 145,671,914.43/x
  3. Step 3: Cross multiply
    268,406,884.98x = 402,726,911.58 × 145,671,914.43
  4. Step 4: Simplify right side
    268,406,884.98x = 58,666,000,202,339,936
  5. Step 5: Solve for x
    x = 58,666,000,202,339,936/268,406,884.98
  6. Step 6: Final answer
    x = 218,571,145.10

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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.