Home / 307,181,855.45-460,781,368.26-99,920,266.80

Finding the Fourth Proportional to 307,181,855.45, 460,781,368.26 and 99,920,266.80

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Solution

The fourth proportional to 307,181,855.45, 460,781,368.26 and 99,920,266.80 is: 149,883,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,181,855.45 : 460,781,368.26 = 99,920,266.80 : x
  2. Step 2: Convert to fraction form
    307,181,855.45/460,781,368.26 = 99,920,266.80/x
  3. Step 3: Cross multiply
    307,181,855.45x = 460,781,368.26 × 99,920,266.80
  4. Step 4: Simplify right side
    307,181,855.45x = 46,041,397,253,008,248
  5. Step 5: Solve for x
    x = 46,041,397,253,008,248/307,181,855.45
  6. Step 6: Final answer
    x = 149,883,192.76

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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.