Home / 64,715,911.20-97,073,866.80-21,586,521.60

Finding the Fourth Proportional to 64,715,911.20, 97,073,866.80 and 21,586,521.60

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Solution

The fourth proportional to 64,715,911.20, 97,073,866.80 and 21,586,521.60 is: 32,379,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715,911.20 : 97,073,866.80 = 21,586,521.60 : x
  2. Step 2: Convert to fraction form
    64,715,911.20/97,073,866.80 = 21,586,521.60/x
  3. Step 3: Cross multiply
    64,715,911.20x = 97,073,866.80 × 21,586,521.60
  4. Step 4: Simplify right side
    64,715,911.20x = 2,095,487,122,473,723
  5. Step 5: Solve for x
    x = 2,095,487,122,473,723/64,715,911.20
  6. Step 6: Final answer
    x = 32,379,782.40

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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.