Home / 144,829,286.10-217,495,871.55-76,804,838.10

Finding the Fourth Proportional to 144,829,286.10, 217,495,871.55 and 76,804,838.10

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Solution

The fourth proportional to 144,829,286.10, 217,495,871.55 and 76,804,838.10 is: 115,340,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829,286.10 : 217,495,871.55 = 76,804,838.10 : x
  2. Step 2: Convert to fraction form
    144,829,286.10/217,495,871.55 = 76,804,838.10/x
  3. Step 3: Cross multiply
    144,829,286.10x = 217,495,871.55 × 76,804,838.10
  4. Step 4: Simplify right side
    144,829,286.10x = 16,704,735,201,816,146
  5. Step 5: Solve for x
    x = 16,704,735,201,816,146/144,829,286.10
  6. Step 6: Final answer
    x = 115,340,865.45

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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.