Home / 52,180,572.02-78,267,979.37-21,467,378.75

Finding the Fourth Proportional to 52,180,572.02, 78,267,979.37 and 21,467,378.75

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Solution

The fourth proportional to 52,180,572.02, 78,267,979.37 and 21,467,378.75 is: 32,199,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180,572.02 : 78,267,979.37 = 21,467,378.75 : x
  2. Step 2: Convert to fraction form
    52,180,572.02/78,267,979.37 = 21,467,378.75/x
  3. Step 3: Cross multiply
    52,180,572.02x = 78,267,979.37 × 21,467,378.75
  4. Step 4: Simplify right side
    52,180,572.02x = 1,680,208,356,795,305
  5. Step 5: Solve for x
    x = 1,680,208,356,795,305/52,180,572.02
  6. Step 6: Final answer
    x = 32,199,883.82

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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.