Home / 127,804,331.80-191,594,523.30-76,706,680.60

Finding the Fourth Proportional to 127,804,331.80, 191,594,523.30 and 76,706,680.60

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Solution

The fourth proportional to 127,804,331.80, 191,594,523.30 and 76,706,680.60 is: 114,992,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,804,331.80 : 191,594,523.30 = 76,706,680.60 : x
  2. Step 2: Convert to fraction form
    127,804,331.80/191,594,523.30 = 76,706,680.60/x
  3. Step 3: Cross multiply
    127,804,331.80x = 191,594,523.30 × 76,706,680.60
  4. Step 4: Simplify right side
    127,804,331.80x = 14,696,579,903,482,358
  5. Step 5: Solve for x
    x = 14,696,579,903,482,358/127,804,331.80
  6. Step 6: Final answer
    x = 114,992,815.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.