Home / 45,546,130.47-68,264,305.88-20,920,074.86

Finding the Fourth Proportional to 45,546,130.47, 68,264,305.88 and 20,920,074.86

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Solution

The fourth proportional to 45,546,130.47, 68,264,305.88 and 20,920,074.86 is: 31,354,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546,130.47 : 68,264,305.88 = 20,920,074.86 : x
  2. Step 2: Convert to fraction form
    45,546,130.47/68,264,305.88 = 20,920,074.86/x
  3. Step 3: Cross multiply
    45,546,130.47x = 68,264,305.88 × 20,920,074.86
  4. Step 4: Simplify right side
    45,546,130.47x = 1,428,094,388,829,616.25
  5. Step 5: Solve for x
    x = 1,428,094,388,829,616.25/45,546,130.47
  6. Step 6: Final answer
    x = 31,354,900.50

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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.