Home / 137,413,593-189,631,152-78,677,159.04

Finding the Fourth Proportional to 137,413,593, 189,631,152 and 78,677,159.04

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Solution

The fourth proportional to 137,413,593, 189,631,152 and 78,677,159.04 is: 108,574,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,413,593 : 189,631,152 = 78,677,159.04 : x
  2. Step 2: Convert to fraction form
    137,413,593/189,631,152 = 78,677,159.04/x
  3. Step 3: Cross multiply
    137,413,593x = 189,631,152 × 78,677,159.04
  4. Step 4: Simplify right side
    137,413,593x = 14,919,640,304,842,416
  5. Step 5: Solve for x
    x = 14,919,640,304,842,416/137,413,593
  6. Step 6: Final answer
    x = 108,574,704.87

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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.