Home / 403,579,333.71-605,369,008.58-96,871,446.63

Finding the Fourth Proportional to 403,579,333.71, 605,369,008.58 and 96,871,446.63

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Solution

The fourth proportional to 403,579,333.71, 605,369,008.58 and 96,871,446.63 is: 145,307,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,579,333.71 : 605,369,008.58 = 96,871,446.63 : x
  2. Step 2: Convert to fraction form
    403,579,333.71/605,369,008.58 = 96,871,446.63/x
  3. Step 3: Cross multiply
    403,579,333.71x = 605,369,008.58 × 96,871,446.63
  4. Step 4: Simplify right side
    403,579,333.71x = 58,642,971,605,629,128
  5. Step 5: Solve for x
    x = 58,642,971,605,629,128/403,579,333.71
  6. Step 6: Final answer
    x = 145,307,171.87

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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.