Home / 233,238,384.45-321,862,810.01-128,814,208.29

Finding the Fourth Proportional to 233,238,384.45, 321,862,810.01 and 128,814,208.29

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Solution

The fourth proportional to 233,238,384.45, 321,862,810.01 and 128,814,208.29 is: 177,760,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,238,384.45 : 321,862,810.01 = 128,814,208.29 : x
  2. Step 2: Convert to fraction form
    233,238,384.45/321,862,810.01 = 128,814,208.29/x
  3. Step 3: Cross multiply
    233,238,384.45x = 321,862,810.01 × 128,814,208.29
  4. Step 4: Simplify right side
    233,238,384.45x = 41,460,503,048,788,768
  5. Step 5: Solve for x
    x = 41,460,503,048,788,768/233,238,384.45
  6. Step 6: Final answer
    x = 177,760,205.06

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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.