Home / 125,774,467.28-173,576,693.04-76,219,174.16

Finding the Fourth Proportional to 125,774,467.28, 173,576,693.04 and 76,219,174.16

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Solution

The fourth proportional to 125,774,467.28, 173,576,693.04 and 76,219,174.16 is: 105,187,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,774,467.28 : 173,576,693.04 = 76,219,174.16 : x
  2. Step 2: Convert to fraction form
    125,774,467.28/173,576,693.04 = 76,219,174.16/x
  3. Step 3: Cross multiply
    125,774,467.28x = 173,576,693.04 × 76,219,174.16
  4. Step 4: Simplify right side
    125,774,467.28x = 13,229,872,196,932,618
  5. Step 5: Solve for x
    x = 13,229,872,196,932,618/125,774,467.28
  6. Step 6: Final answer
    x = 105,187,264.82

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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.