Home / 55,774,536.06-76,887,738.80-38,977,125.70

Finding the Fourth Proportional to 55,774,536.06, 76,887,738.80 and 38,977,125.70

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Solution

The fourth proportional to 55,774,536.06, 76,887,738.80 and 38,977,125.70 is: 53,731,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774,536.06 : 76,887,738.80 = 38,977,125.70 : x
  2. Step 2: Convert to fraction form
    55,774,536.06/76,887,738.80 = 38,977,125.70/x
  3. Step 3: Cross multiply
    55,774,536.06x = 76,887,738.80 × 38,977,125.70
  4. Step 4: Simplify right side
    55,774,536.06x = 2,996,863,059,996,367.50
  5. Step 5: Solve for x
    x = 2,996,863,059,996,367.50/55,774,536.06
  6. Step 6: Final answer
    x = 53,731,743.40

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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.