Home / 52,352,032.20-78,528,048.30-20,439,328.20

Finding the Fourth Proportional to 52,352,032.20, 78,528,048.30 and 20,439,328.20

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Solution

The fourth proportional to 52,352,032.20, 78,528,048.30 and 20,439,328.20 is: 30,658,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,032.20 : 78,528,048.30 = 20,439,328.20 : x
  2. Step 2: Convert to fraction form
    52,352,032.20/78,528,048.30 = 20,439,328.20/x
  3. Step 3: Cross multiply
    52,352,032.20x = 78,528,048.30 × 20,439,328.20
  4. Step 4: Simplify right side
    52,352,032.20x = 1,605,060,552,109,152
  5. Step 5: Solve for x
    x = 1,605,060,552,109,152/52,352,032.20
  6. Step 6: Final answer
    x = 30,658,992.30

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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.