Home / 55,124,983.95-82,695,042.93-18,723,601.86

Finding the Fourth Proportional to 55,124,983.95, 82,695,042.93 and 18,723,601.86

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Solution

The fourth proportional to 55,124,983.95, 82,695,042.93 and 18,723,601.86 is: 28,087,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124,983.95 : 82,695,042.93 = 18,723,601.86 : x
  2. Step 2: Convert to fraction form
    55,124,983.95/82,695,042.93 = 18,723,601.86/x
  3. Step 3: Cross multiply
    55,124,983.95x = 82,695,042.93 × 18,723,601.86
  4. Step 4: Simplify right side
    55,124,983.95x = 1,548,349,059,616,928
  5. Step 5: Solve for x
    x = 1,548,349,059,616,928/55,124,983.95
  6. Step 6: Final answer
    x = 28,087,972.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.