Home / 215,427,359.19-323,186,436.06-69,849,568.83

Finding the Fourth Proportional to 215,427,359.19, 323,186,436.06 and 69,849,568.83

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Solution

The fourth proportional to 215,427,359.19, 323,186,436.06 and 69,849,568.83 is: 104,789,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,427,359.19 : 323,186,436.06 = 69,849,568.83 : x
  2. Step 2: Convert to fraction form
    215,427,359.19/323,186,436.06 = 69,849,568.83/x
  3. Step 3: Cross multiply
    215,427,359.19x = 323,186,436.06 × 69,849,568.83
  4. Step 4: Simplify right side
    215,427,359.19x = 22,574,433,210,495,364
  5. Step 5: Solve for x
    x = 22,574,433,210,495,364/215,427,359.19
  6. Step 6: Final answer
    x = 104,789,072.73

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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.