Home / 403,755,936.60-605,633,904.90-131,154,259.80

Finding the Fourth Proportional to 403,755,936.60, 605,633,904.90 and 131,154,259.80

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Solution

The fourth proportional to 403,755,936.60, 605,633,904.90 and 131,154,259.80 is: 196,731,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,755,936.60 : 605,633,904.90 = 131,154,259.80 : x
  2. Step 2: Convert to fraction form
    403,755,936.60/605,633,904.90 = 131,154,259.80/x
  3. Step 3: Cross multiply
    403,755,936.60x = 605,633,904.90 × 131,154,259.80
  4. Step 4: Simplify right side
    403,755,936.60x = 79,431,466,506,943,088
  5. Step 5: Solve for x
    x = 79,431,466,506,943,088/403,755,936.60
  6. Step 6: Final answer
    x = 196,731,389.70

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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.