Home / 71,736,955.84-98,999,182.56-40,801,578.40

Finding the Fourth Proportional to 71,736,955.84, 98,999,182.56 and 40,801,578.40

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Solution

The fourth proportional to 71,736,955.84, 98,999,182.56 and 40,801,578.40 is: 56,307,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,736,955.84 : 98,999,182.56 = 40,801,578.40 : x
  2. Step 2: Convert to fraction form
    71,736,955.84/98,999,182.56 = 40,801,578.40/x
  3. Step 3: Cross multiply
    71,736,955.84x = 98,999,182.56 × 40,801,578.40
  4. Step 4: Simplify right side
    71,736,955.84x = 4,039,322,908,757,752.50
  5. Step 5: Solve for x
    x = 4,039,322,908,757,752.50/71,736,955.84
  6. Step 6: Final answer
    x = 56,307,420.09

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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.