Home / 134,569,537.85-185,706,043.61-72,689,903.75

Finding the Fourth Proportional to 134,569,537.85, 185,706,043.61 and 72,689,903.75

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Solution

The fourth proportional to 134,569,537.85, 185,706,043.61 and 72,689,903.75 is: 100,312,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,537.85 : 185,706,043.61 = 72,689,903.75 : x
  2. Step 2: Convert to fraction form
    134,569,537.85/185,706,043.61 = 72,689,903.75/x
  3. Step 3: Cross multiply
    134,569,537.85x = 185,706,043.61 × 72,689,903.75
  4. Step 4: Simplify right side
    134,569,537.85x = 13,498,954,434,512,222
  5. Step 5: Solve for x
    x = 13,498,954,434,512,222/134,569,537.85
  6. Step 6: Final answer
    x = 100,312,111.13

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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.