Home / 146,710,241.70-220,065,362.55-78,685,793.70

Finding the Fourth Proportional to 146,710,241.70, 220,065,362.55 and 78,685,793.70

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Solution

The fourth proportional to 146,710,241.70, 220,065,362.55 and 78,685,793.70 is: 118,028,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710,241.70 : 220,065,362.55 = 78,685,793.70 : x
  2. Step 2: Convert to fraction form
    146,710,241.70/220,065,362.55 = 78,685,793.70/x
  3. Step 3: Cross multiply
    146,710,241.70x = 220,065,362.55 × 78,685,793.70
  4. Step 4: Simplify right side
    146,710,241.70x = 17,316,017,718,125,008
  5. Step 5: Solve for x
    x = 17,316,017,718,125,008/146,710,241.70
  6. Step 6: Final answer
    x = 118,028,690.55

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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.