Home / 300,634,809.47-450,841,603.95-103,848,143.05

Finding the Fourth Proportional to 300,634,809.47, 450,841,603.95 and 103,848,143.05

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Solution

The fourth proportional to 300,634,809.47, 450,841,603.95 and 103,848,143.05 is: 155,734,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,634,809.47 : 450,841,603.95 = 103,848,143.05 : x
  2. Step 2: Convert to fraction form
    300,634,809.47/450,841,603.95 = 103,848,143.05/x
  3. Step 3: Cross multiply
    300,634,809.47x = 450,841,603.95 × 103,848,143.05
  4. Step 4: Simplify right side
    300,634,809.47x = 46,819,063,379,891,040
  5. Step 5: Solve for x
    x = 46,819,063,379,891,040/300,634,809.47
  6. Step 6: Final answer
    x = 155,734,006.53

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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.