Home / 55,401,035.64-83,081,148.75-18,999,689.10

Finding the Fourth Proportional to 55,401,035.64, 83,081,148.75 and 18,999,689.10

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Solution

The fourth proportional to 55,401,035.64, 83,081,148.75 and 18,999,689.10 is: 28,492,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401,035.64 : 83,081,148.75 = 18,999,689.10 : x
  2. Step 2: Convert to fraction form
    55,401,035.64/83,081,148.75 = 18,999,689.10/x
  3. Step 3: Cross multiply
    55,401,035.64x = 83,081,148.75 × 18,999,689.10
  4. Step 4: Simplify right side
    55,401,035.64x = 1,578,515,996,320,853.75
  5. Step 5: Solve for x
    x = 1,578,515,996,320,853.75/55,401,035.64
  6. Step 6: Final answer
    x = 28,492,535.89

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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.