Home / 219,311,036.40-328,966,554.60-90,011,441.10

Finding the Fourth Proportional to 219,311,036.40, 328,966,554.60 and 90,011,441.10

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Solution

The fourth proportional to 219,311,036.40, 328,966,554.60 and 90,011,441.10 is: 135,017,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,311,036.40 : 328,966,554.60 = 90,011,441.10 : x
  2. Step 2: Convert to fraction form
    219,311,036.40/328,966,554.60 = 90,011,441.10/x
  3. Step 3: Cross multiply
    219,311,036.40x = 328,966,554.60 × 90,011,441.10
  4. Step 4: Simplify right side
    219,311,036.40x = 29,610,753,653,247,836
  5. Step 5: Solve for x
    x = 29,610,753,653,247,836/219,311,036.40
  6. Step 6: Final answer
    x = 135,017,161.65

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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.