Home / 109,162,306.80-162,908,007.50-97,516,991.70

Finding the Fourth Proportional to 109,162,306.80, 162,908,007.50 and 97,516,991.70

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Solution

The fourth proportional to 109,162,306.80, 162,908,007.50 and 97,516,991.70 is: 145,529,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,162,306.80 : 162,908,007.50 = 97,516,991.70 : x
  2. Step 2: Convert to fraction form
    109,162,306.80/162,908,007.50 = 97,516,991.70/x
  3. Step 3: Cross multiply
    109,162,306.80x = 162,908,007.50 × 97,516,991.70
  4. Step 4: Simplify right side
    109,162,306.80x = 15,886,298,815,484,830
  5. Step 5: Solve for x
    x = 15,886,298,815,484,830/109,162,306.80
  6. Step 6: Final answer
    x = 145,529,160.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.