Home / 84,929,548.02-127,393,041.78-38,210,040.12

Finding the Fourth Proportional to 84,929,548.02, 127,393,041.78 and 38,210,040.12

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Solution

The fourth proportional to 84,929,548.02, 127,393,041.78 and 38,210,040.12 is: 57,314,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929,548.02 : 127,393,041.78 = 38,210,040.12 : x
  2. Step 2: Convert to fraction form
    84,929,548.02/127,393,041.78 = 38,210,040.12/x
  3. Step 3: Cross multiply
    84,929,548.02x = 127,393,041.78 × 38,210,040.12
  4. Step 4: Simplify right side
    84,929,548.02x = 4,867,693,237,422,636
  5. Step 5: Solve for x
    x = 4,867,693,237,422,636/84,929,548.02
  6. Step 6: Final answer
    x = 57,314,484.19

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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.