Home / 385,635,898.06-578,378,525.02-123,250,065.80

Finding the Fourth Proportional to 385,635,898.06, 578,378,525.02 and 123,250,065.80

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Solution

The fourth proportional to 385,635,898.06, 578,378,525.02 and 123,250,065.80 is: 184,851,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,635,898.06 : 578,378,525.02 = 123,250,065.80 : x
  2. Step 2: Convert to fraction form
    385,635,898.06/578,378,525.02 = 123,250,065.80/x
  3. Step 3: Cross multiply
    385,635,898.06x = 578,378,525.02 × 123,250,065.80
  4. Step 4: Simplify right side
    385,635,898.06x = 71,285,191,266,072,424
  5. Step 5: Solve for x
    x = 71,285,191,266,072,424/385,635,898.06
  6. Step 6: Final answer
    x = 184,851,025.60

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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.