Home / 103,959,699.39-143,466,084.06-56,915,988.03

Finding the Fourth Proportional to 103,959,699.39, 143,466,084.06 and 56,915,988.03

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Solution

The fourth proportional to 103,959,699.39, 143,466,084.06 and 56,915,988.03 is: 78,544,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,699.39 : 143,466,084.06 = 56,915,988.03 : x
  2. Step 2: Convert to fraction form
    103,959,699.39/143,466,084.06 = 56,915,988.03/x
  3. Step 3: Cross multiply
    103,959,699.39x = 143,466,084.06 × 56,915,988.03
  4. Step 4: Simplify right side
    103,959,699.39x = 8,165,513,922,856,499
  5. Step 5: Solve for x
    x = 8,165,513,922,856,499/103,959,699.39
  6. Step 6: Final answer
    x = 78,544,993.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.