Home / 140,617,725.17-194,054,012.84-77,894,783.87

Finding the Fourth Proportional to 140,617,725.17, 194,054,012.84 and 77,894,783.87

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Solution

The fourth proportional to 140,617,725.17, 194,054,012.84 and 77,894,783.87 is: 107,495,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,725.17 : 194,054,012.84 = 77,894,783.87 : x
  2. Step 2: Convert to fraction form
    140,617,725.17/194,054,012.84 = 77,894,783.87/x
  3. Step 3: Cross multiply
    140,617,725.17x = 194,054,012.84 × 77,894,783.87
  4. Step 4: Simplify right side
    140,617,725.17x = 15,115,795,388,888,532
  5. Step 5: Solve for x
    x = 15,115,795,388,888,532/140,617,725.17
  6. Step 6: Final answer
    x = 107,495,661.52

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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.