Home / 126,118,862.40-189,087,499.62-77,496,255.06

Finding the Fourth Proportional to 126,118,862.40, 189,087,499.62 and 77,496,255.06

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Solution

The fourth proportional to 126,118,862.40, 189,087,499.62 and 77,496,255.06 is: 116,188,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118,862.40 : 189,087,499.62 = 77,496,255.06 : x
  2. Step 2: Convert to fraction form
    126,118,862.40/189,087,499.62 = 77,496,255.06/x
  3. Step 3: Cross multiply
    126,118,862.40x = 189,087,499.62 × 77,496,255.06
  4. Step 4: Simplify right side
    126,118,862.40x = 14,653,573,099,209,174
  5. Step 5: Solve for x
    x = 14,653,573,099,209,174/126,118,862.40
  6. Step 6: Final answer
    x = 116,188,592.41

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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.