Home / 179,626,366,178.55-247,884,390,215.67-99,430,324,955.54

Finding the Fourth Proportional to 179,626,366,178.55, 247,884,390,215.67 and 99,430,324,955.54

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Solution

The fourth proportional to 179,626,366,178.55, 247,884,390,215.67 and 99,430,324,955.54 is: 137,213,851,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626,366,178.55 : 247,884,390,215.67 = 99,430,324,955.54 : x
  2. Step 2: Convert to fraction form
    179,626,366,178.55/247,884,390,215.67 = 99,430,324,955.54/x
  3. Step 3: Cross multiply
    179,626,366,178.55x = 247,884,390,215.67 × 99,430,324,955.54
  4. Step 4: Simplify right side
    179,626,366,178.55x = 24,647,225,470,550,196,355,072
  5. Step 5: Solve for x
    x = 24,647,225,470,550,196,355,072/179,626,366,178.55
  6. Step 6: Final answer
    x = 137,213,851,145.05

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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.