Home / 55,316,928.50-76,335,359.59-30,536,583.11

Finding the Fourth Proportional to 55,316,928.50, 76,335,359.59 and 30,536,583.11

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Solution

The fourth proportional to 55,316,928.50, 76,335,359.59 and 30,536,583.11 is: 42,139,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,928.50 : 76,335,359.59 = 30,536,583.11 : x
  2. Step 2: Convert to fraction form
    55,316,928.50/76,335,359.59 = 30,536,583.11/x
  3. Step 3: Cross multiply
    55,316,928.50x = 76,335,359.59 × 30,536,583.11
  4. Step 4: Simplify right side
    55,316,928.50x = 2,331,021,052,466,267.50
  5. Step 5: Solve for x
    x = 2,331,021,052,466,267.50/55,316,928.50
  6. Step 6: Final answer
    x = 42,139,379.67

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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.