Home / 154,576,019.80-231,864,029.70-147,017,747.80

Finding the Fourth Proportional to 154,576,019.80, 231,864,029.70 and 147,017,747.80

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Solution

The fourth proportional to 154,576,019.80, 231,864,029.70 and 147,017,747.80 is: 220,526,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,576,019.80 : 231,864,029.70 = 147,017,747.80 : x
  2. Step 2: Convert to fraction form
    154,576,019.80/231,864,029.70 = 147,017,747.80/x
  3. Step 3: Cross multiply
    154,576,019.80x = 231,864,029.70 × 147,017,747.80
  4. Step 4: Simplify right side
    154,576,019.80x = 34,088,127,442,326,312
  5. Step 5: Solve for x
    x = 34,088,127,442,326,312/154,576,019.80
  6. Step 6: Final answer
    x = 220,526,621.70

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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.