Home / 146,710,233.20-220,065,349.80-78,685,785.20

Finding the Fourth Proportional to 146,710,233.20, 220,065,349.80 and 78,685,785.20

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Solution

The fourth proportional to 146,710,233.20, 220,065,349.80 and 78,685,785.20 is: 118,028,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710,233.20 : 220,065,349.80 = 78,685,785.20 : x
  2. Step 2: Convert to fraction form
    146,710,233.20/220,065,349.80 = 78,685,785.20/x
  3. Step 3: Cross multiply
    146,710,233.20x = 220,065,349.80 × 78,685,785.20
  4. Step 4: Simplify right side
    146,710,233.20x = 17,316,014,844,325,664
  5. Step 5: Solve for x
    x = 17,316,014,844,325,664/146,710,233.20
  6. Step 6: Final answer
    x = 118,028,677.80

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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.