Home / 134,569,538.60-185,706,044.62-72,689,904.50

Finding the Fourth Proportional to 134,569,538.60, 185,706,044.62 and 72,689,904.50

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Solution

The fourth proportional to 134,569,538.60, 185,706,044.62 and 72,689,904.50 is: 100,312,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,538.60 : 185,706,044.62 = 72,689,904.50 : x
  2. Step 2: Convert to fraction form
    134,569,538.60/185,706,044.62 = 72,689,904.50/x
  3. Step 3: Cross multiply
    134,569,538.60x = 185,706,044.62 × 72,689,904.50
  4. Step 4: Simplify right side
    134,569,538.60x = 13,498,954,647,390,286
  5. Step 5: Solve for x
    x = 13,498,954,647,390,286/134,569,538.60
  6. Step 6: Final answer
    x = 100,312,112.15

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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.