Home / 55,511,353.64-76,613,681-31,985,384.60

Finding the Fourth Proportional to 55,511,353.64, 76,613,681 and 31,985,384.60

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Solution

The fourth proportional to 55,511,353.64, 76,613,681 and 31,985,384.60 is: 44,144,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511,353.64 : 76,613,681 = 31,985,384.60 : x
  2. Step 2: Convert to fraction form
    55,511,353.64/76,613,681 = 31,985,384.60/x
  3. Step 3: Cross multiply
    55,511,353.64x = 76,613,681 × 31,985,384.60
  4. Step 4: Simplify right side
    55,511,353.64x = 2,450,518,052,406,712.50
  5. Step 5: Solve for x
    x = 2,450,518,052,406,712.50/55,511,353.64
  6. Step 6: Final answer
    x = 44,144,447.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.