Home / 107,554,416.40-161,331,624.60-39,403,997.20

Finding the Fourth Proportional to 107,554,416.40, 161,331,624.60 and 39,403,997.20

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Solution

The fourth proportional to 107,554,416.40, 161,331,624.60 and 39,403,997.20 is: 59,105,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,554,416.40 : 161,331,624.60 = 39,403,997.20 : x
  2. Step 2: Convert to fraction form
    107,554,416.40/161,331,624.60 = 39,403,997.20/x
  3. Step 3: Cross multiply
    107,554,416.40x = 161,331,624.60 × 39,403,997.20
  4. Step 4: Simplify right side
    107,554,416.40x = 6,357,110,884,009,851
  5. Step 5: Solve for x
    x = 6,357,110,884,009,851/107,554,416.40
  6. Step 6: Final answer
    x = 59,105,995.80

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1.5x scale

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.