Home / 187,203,490.80-258,353,901.72-104,704,900.08

Finding the Fourth Proportional to 187,203,490.80, 258,353,901.72 and 104,704,900.08

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Solution

The fourth proportional to 187,203,490.80, 258,353,901.72 and 104,704,900.08 is: 144,500,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,203,490.80 : 258,353,901.72 = 104,704,900.08 : x
  2. Step 2: Convert to fraction form
    187,203,490.80/258,353,901.72 = 104,704,900.08/x
  3. Step 3: Cross multiply
    187,203,490.80x = 258,353,901.72 × 104,704,900.08
  4. Step 4: Simplify right side
    187,203,490.80x = 27,050,919,464,870,740
  5. Step 5: Solve for x
    x = 27,050,919,464,870,740/187,203,490.80
  6. Step 6: Final answer
    x = 144,500,080.36

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1.5x scale

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.