Home / 55,775,045.67-76,888,441.64-38,977,633.83

Finding the Fourth Proportional to 55,775,045.67, 76,888,441.64 and 38,977,633.83

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Solution

The fourth proportional to 55,775,045.67, 76,888,441.64 and 38,977,633.83 is: 53,732,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,045.67 : 76,888,441.64 = 38,977,633.83 : x
  2. Step 2: Convert to fraction form
    55,775,045.67/76,888,441.64 = 38,977,633.83/x
  3. Step 3: Cross multiply
    55,775,045.67x = 76,888,441.64 × 38,977,633.83
  4. Step 4: Simplify right side
    55,775,045.67x = 2,996,929,524,292,910
  5. Step 5: Solve for x
    x = 2,996,929,524,292,910/55,775,045.67
  6. Step 6: Final answer
    x = 53,732,444.12

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1.5x scale

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.