Home / 55,139,178.34-76,091,440.98-30,358,859.14

Finding the Fourth Proportional to 55,139,178.34, 76,091,440.98 and 30,358,859.14

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Solution

The fourth proportional to 55,139,178.34, 76,091,440.98 and 30,358,859.14 is: 41,894,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139,178.34 : 76,091,440.98 = 30,358,859.14 : x
  2. Step 2: Convert to fraction form
    55,139,178.34/76,091,440.98 = 30,358,859.14/x
  3. Step 3: Cross multiply
    55,139,178.34x = 76,091,440.98 × 30,358,859.14
  4. Step 4: Simplify right side
    55,139,178.34x = 2,310,049,338,471,443.50
  5. Step 5: Solve for x
    x = 2,310,049,338,471,443.50/55,139,178.34
  6. Step 6: Final answer
    x = 41,894,881.43

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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.