Home / 45,546,129.12-68,264,303.86-20,920,073.51

Finding the Fourth Proportional to 45,546,129.12, 68,264,303.86 and 20,920,073.51

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Solution

The fourth proportional to 45,546,129.12, 68,264,303.86 and 20,920,073.51 is: 31,354,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546,129.12 : 68,264,303.86 = 20,920,073.51 : x
  2. Step 2: Convert to fraction form
    45,546,129.12/68,264,303.86 = 20,920,073.51/x
  3. Step 3: Cross multiply
    45,546,129.12x = 68,264,303.86 × 20,920,073.51
  4. Step 4: Simplify right side
    45,546,129.12x = 1,428,094,254,978,537.25
  5. Step 5: Solve for x
    x = 1,428,094,254,978,537.25/45,546,129.12
  6. Step 6: Final answer
    x = 31,354,898.49

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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.