Home / 102,697,927.56-141,723,261.19-55,655,000.79

Finding the Fourth Proportional to 102,697,927.56, 141,723,261.19 and 55,655,000.79

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Solution

The fourth proportional to 102,697,927.56, 141,723,261.19 and 55,655,000.79 is: 76,803,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,697,927.56 : 141,723,261.19 = 55,655,000.79 : x
  2. Step 2: Convert to fraction form
    102,697,927.56/141,723,261.19 = 55,655,000.79/x
  3. Step 3: Cross multiply
    102,697,927.56x = 141,723,261.19 × 55,655,000.79
  4. Step 4: Simplify right side
    102,697,927.56x = 7,887,608,213,490,826
  5. Step 5: Solve for x
    x = 7,887,608,213,490,826/102,697,927.56
  6. Step 6: Final answer
    x = 76,803,966.75

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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.