Home / 132,862,538.40-199,293,807.60-74,510,316.60

Finding the Fourth Proportional to 132,862,538.40, 199,293,807.60 and 74,510,316.60

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Solution

The fourth proportional to 132,862,538.40, 199,293,807.60 and 74,510,316.60 is: 111,765,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,862,538.40 : 199,293,807.60 = 74,510,316.60 : x
  2. Step 2: Convert to fraction form
    132,862,538.40/199,293,807.60 = 74,510,316.60/x
  3. Step 3: Cross multiply
    132,862,538.40x = 199,293,807.60 × 74,510,316.60
  4. Step 4: Simplify right side
    132,862,538.40x = 14,849,444,700,695,484
  5. Step 5: Solve for x
    x = 14,849,444,700,695,484/132,862,538.40
  6. Step 6: Final answer
    x = 111,765,474.90

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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.