Home / 132,862,209.40-199,293,314.10-74,509,987.60

Finding the Fourth Proportional to 132,862,209.40, 199,293,314.10 and 74,509,987.60

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Solution

The fourth proportional to 132,862,209.40, 199,293,314.10 and 74,509,987.60 is: 111,764,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,862,209.40 : 199,293,314.10 = 74,509,987.60 : x
  2. Step 2: Convert to fraction form
    132,862,209.40/199,293,314.10 = 74,509,987.60/x
  3. Step 3: Cross multiply
    132,862,209.40x = 199,293,314.10 × 74,509,987.60
  4. Step 4: Simplify right side
    132,862,209.40x = 14,849,342,362,353,904
  5. Step 5: Solve for x
    x = 14,849,342,362,353,904/132,862,209.40
  6. Step 6: Final answer
    x = 111,764,981.40

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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.