Home / 107,837,350.40-161,420,102.40-77,604,262.40

Finding the Fourth Proportional to 107,837,350.40, 161,420,102.40 and 77,604,262.40

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Solution

The fourth proportional to 107,837,350.40, 161,420,102.40 and 77,604,262.40 is: 116,164,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837,350.40 : 161,420,102.40 = 77,604,262.40 : x
  2. Step 2: Convert to fraction form
    107,837,350.40/161,420,102.40 = 77,604,262.40/x
  3. Step 3: Cross multiply
    107,837,350.40x = 161,420,102.40 × 77,604,262.40
  4. Step 4: Simplify right side
    107,837,350.40x = 12,526,887,983,284,472
  5. Step 5: Solve for x
    x = 12,526,887,983,284,472/107,837,350.40
  6. Step 6: Final answer
    x = 116,164,649.23

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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.