Home / 45,816,006.40-68,724,009.60-20,243,852.80

Finding the Fourth Proportional to 45,816,006.40, 68,724,009.60 and 20,243,852.80

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Solution

The fourth proportional to 45,816,006.40, 68,724,009.60 and 20,243,852.80 is: 30,365,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816,006.40 : 68,724,009.60 = 20,243,852.80 : x
  2. Step 2: Convert to fraction form
    45,816,006.40/68,724,009.60 = 20,243,852.80/x
  3. Step 3: Cross multiply
    45,816,006.40x = 68,724,009.60 × 20,243,852.80
  4. Step 4: Simplify right side
    45,816,006.40x = 1,391,238,734,168,186.75
  5. Step 5: Solve for x
    x = 1,391,238,734,168,186.75/45,816,006.40
  6. Step 6: Final answer
    x = 30,365,779.20

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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.