Home / 68,637,742.94-94,697,039.58-38,864,329.40

Finding the Fourth Proportional to 68,637,742.94, 94,697,039.58 and 38,864,329.40

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Solution

The fourth proportional to 68,637,742.94, 94,697,039.58 and 38,864,329.40 is: 53,619,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637,742.94 : 94,697,039.58 = 38,864,329.40 : x
  2. Step 2: Convert to fraction form
    68,637,742.94/94,697,039.58 = 38,864,329.40/x
  3. Step 3: Cross multiply
    68,637,742.94x = 94,697,039.58 × 38,864,329.40
  4. Step 4: Simplify right side
    68,637,742.94x = 3,680,336,939,441,957.50
  5. Step 5: Solve for x
    x = 3,680,336,939,441,957.50/68,637,742.94
  6. Step 6: Final answer
    x = 53,619,725.56

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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.