Home / 104,640,015.40-156,988,016.70-74,406,927.40

Finding the Fourth Proportional to 104,640,015.40, 156,988,016.70 and 74,406,927.40

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Solution

The fourth proportional to 104,640,015.40, 156,988,016.70 and 74,406,927.40 is: 111,630,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640,015.40 : 156,988,016.70 = 74,406,927.40 : x
  2. Step 2: Convert to fraction form
    104,640,015.40/156,988,016.70 = 74,406,927.40/x
  3. Step 3: Cross multiply
    104,640,015.40x = 156,988,016.70 × 74,406,927.40
  4. Step 4: Simplify right side
    104,640,015.40x = 11,680,995,961,266,888
  5. Step 5: Solve for x
    x = 11,680,995,961,266,888/104,640,015.40
  6. Step 6: Final answer
    x = 111,630,296.66

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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.