Home / 88,634,135.45-132,969,140.01-31,130,890.64

Finding the Fourth Proportional to 88,634,135.45, 132,969,140.01 and 31,130,890.64

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Solution

The fourth proportional to 88,634,135.45, 132,969,140.01 and 31,130,890.64 is: 46,702,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,634,135.45 : 132,969,140.01 = 31,130,890.64 : x
  2. Step 2: Convert to fraction form
    88,634,135.45/132,969,140.01 = 31,130,890.64/x
  3. Step 3: Cross multiply
    88,634,135.45x = 132,969,140.01 × 31,130,890.64
  4. Step 4: Simplify right side
    88,634,135.45x = 4,139,447,756,146,159
  5. Step 5: Solve for x
    x = 4,139,447,756,146,159/88,634,135.45
  6. Step 6: Final answer
    x = 46,702,635.90

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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.