Home / 77,692,846.52-107,216,112.02-42,885,527.88

Finding the Fourth Proportional to 77,692,846.52, 107,216,112.02 and 42,885,527.88

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Solution

The fourth proportional to 77,692,846.52, 107,216,112.02 and 42,885,527.88 is: 59,182,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,692,846.52 : 107,216,112.02 = 42,885,527.88 : x
  2. Step 2: Convert to fraction form
    77,692,846.52/107,216,112.02 = 42,885,527.88/x
  3. Step 3: Cross multiply
    77,692,846.52x = 107,216,112.02 × 42,885,527.88
  4. Step 4: Simplify right side
    77,692,846.52x = 4,598,019,561,218,913
  5. Step 5: Solve for x
    x = 4,598,019,561,218,913/77,692,846.52
  6. Step 6: Final answer
    x = 59,182,019.54

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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.