Home / 102,242,707.70-153,194,000.42-71,886,914.42

Finding the Fourth Proportional to 102,242,707.70, 153,194,000.42 and 71,886,914.42

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Solution

The fourth proportional to 102,242,707.70, 153,194,000.42 and 71,886,914.42 is: 107,710,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,242,707.70 : 153,194,000.42 = 71,886,914.42 : x
  2. Step 2: Convert to fraction form
    102,242,707.70/153,194,000.42 = 71,886,914.42/x
  3. Step 3: Cross multiply
    102,242,707.70x = 153,194,000.42 × 71,886,914.42
  4. Step 4: Simplify right side
    102,242,707.70x = 11,012,643,997,849,984
  5. Step 5: Solve for x
    x = 11,012,643,997,849,984/102,242,707.70
  6. Step 6: Final answer
    x = 107,710,801.54

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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.