Home / 164,576,305.80-247,433,661.90-153,920,075.40

Finding the Fourth Proportional to 164,576,305.80, 247,433,661.90 and 153,920,075.40

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Solution

The fourth proportional to 164,576,305.80, 247,433,661.90 and 153,920,075.40 is: 231,412,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,576,305.80 : 247,433,661.90 = 153,920,075.40 : x
  2. Step 2: Convert to fraction form
    164,576,305.80/247,433,661.90 = 153,920,075.40/x
  3. Step 3: Cross multiply
    164,576,305.80x = 247,433,661.90 × 153,920,075.40
  4. Step 4: Simplify right side
    164,576,305.80x = 38,085,007,896,146,112
  5. Step 5: Solve for x
    x = 38,085,007,896,146,112/164,576,305.80
  6. Step 6: Final answer
    x = 231,412,460.69

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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.