Home / 166,735,526.12-230,019,574.69-100,634,894.54

Finding the Fourth Proportional to 166,735,526.12, 230,019,574.69 and 100,634,894.54

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Solution

The fourth proportional to 166,735,526.12, 230,019,574.69 and 100,634,894.54 is: 138,830,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,735,526.12 : 230,019,574.69 = 100,634,894.54 : x
  2. Step 2: Convert to fraction form
    166,735,526.12/230,019,574.69 = 100,634,894.54/x
  3. Step 3: Cross multiply
    166,735,526.12x = 230,019,574.69 × 100,634,894.54
  4. Step 4: Simplify right side
    166,735,526.12x = 23,147,995,641,063,804
  5. Step 5: Solve for x
    x = 23,147,995,641,063,804/166,735,526.12
  6. Step 6: Final answer
    x = 138,830,615.04

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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.