Home / 134,569,544.10-185,706,052.24-72,689,910

Finding the Fourth Proportional to 134,569,544.10, 185,706,052.24 and 72,689,910

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Solution

The fourth proportional to 134,569,544.10, 185,706,052.24 and 72,689,910 is: 100,312,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,544.10 : 185,706,052.24 = 72,689,910 : x
  2. Step 2: Convert to fraction form
    134,569,544.10/185,706,052.24 = 72,689,910/x
  3. Step 3: Cross multiply
    134,569,544.10x = 185,706,052.24 × 72,689,910
  4. Step 4: Simplify right side
    134,569,544.10x = 13,498,956,223,780,900
  5. Step 5: Solve for x
    x = 13,498,956,223,780,900/134,569,544.10
  6. Step 6: Final answer
    x = 100,312,119.76

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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.