Home / 112,647,331.84-155,426,674.08-63,754,758.40

Finding the Fourth Proportional to 112,647,331.84, 155,426,674.08 and 63,754,758.40

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Solution

The fourth proportional to 112,647,331.84, 155,426,674.08 and 63,754,758.40 is: 87,966,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647,331.84 : 155,426,674.08 = 63,754,758.40 : x
  2. Step 2: Convert to fraction form
    112,647,331.84/155,426,674.08 = 63,754,758.40/x
  3. Step 3: Cross multiply
    112,647,331.84x = 155,426,674.08 × 63,754,758.40
  4. Step 4: Simplify right side
    112,647,331.84x = 9,909,190,054,885,942
  5. Step 5: Solve for x
    x = 9,909,190,054,885,942/112,647,331.84
  6. Step 6: Final answer
    x = 87,966,487.03

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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.