Home / 52,111,091.80-78,166,637.70-39,178,048.60

Finding the Fourth Proportional to 52,111,091.80, 78,166,637.70 and 39,178,048.60

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Solution

The fourth proportional to 52,111,091.80, 78,166,637.70 and 39,178,048.60 is: 58,767,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111,091.80 : 78,166,637.70 = 39,178,048.60 : x
  2. Step 2: Convert to fraction form
    52,111,091.80/78,166,637.70 = 39,178,048.60/x
  3. Step 3: Cross multiply
    52,111,091.80x = 78,166,637.70 × 39,178,048.60
  4. Step 4: Simplify right side
    52,111,091.80x = 3,062,416,330,709,192.50
  5. Step 5: Solve for x
    x = 3,062,416,330,709,192.50/52,111,091.80
  6. Step 6: Final answer
    x = 58,767,072.90

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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.