Home / 187,597,748.80-258,884,697-105,092,114.32

Finding the Fourth Proportional to 187,597,748.80, 258,884,697 and 105,092,114.32

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Solution

The fourth proportional to 187,597,748.80, 258,884,697 and 105,092,114.32 is: 145,027,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,597,748.80 : 258,884,697 = 105,092,114.32 : x
  2. Step 2: Convert to fraction form
    187,597,748.80/258,884,697 = 105,092,114.32/x
  3. Step 3: Cross multiply
    187,597,748.80x = 258,884,697 × 105,092,114.32
  4. Step 4: Simplify right side
    187,597,748.80x = 27,206,740,172,822,560
  5. Step 5: Solve for x
    x = 27,206,740,172,822,560/187,597,748.80
  6. Step 6: Final answer
    x = 145,027,007.77

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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.