Home / 127,541,603.40-191,312,405.10-54,745,996.20

Finding the Fourth Proportional to 127,541,603.40, 191,312,405.10 and 54,745,996.20

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Solution

The fourth proportional to 127,541,603.40, 191,312,405.10 and 54,745,996.20 is: 82,118,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,541,603.40 : 191,312,405.10 = 54,745,996.20 : x
  2. Step 2: Convert to fraction form
    127,541,603.40/191,312,405.10 = 54,745,996.20/x
  3. Step 3: Cross multiply
    127,541,603.40x = 191,312,405.10 × 54,745,996.20
  4. Step 4: Simplify right side
    127,541,603.40x = 10,473,588,202,617,460
  5. Step 5: Solve for x
    x = 10,473,588,202,617,460/127,541,603.40
  6. Step 6: Final answer
    x = 82,118,994.30

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Double scale
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Similar ratio
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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.