Home / 207,597,808.80-311,184,136.80-121,291,790.40

Finding the Fourth Proportional to 207,597,808.80, 311,184,136.80 and 121,291,790.40

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Solution

The fourth proportional to 207,597,808.80, 311,184,136.80 and 121,291,790.40 is: 181,813,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,597,808.80 : 311,184,136.80 = 121,291,790.40 : x
  2. Step 2: Convert to fraction form
    207,597,808.80/311,184,136.80 = 121,291,790.40/x
  3. Step 3: Cross multiply
    207,597,808.80x = 311,184,136.80 × 121,291,790.40
  4. Step 4: Simplify right side
    207,597,808.80x = 37,744,081,096,550,528
  5. Step 5: Solve for x
    x = 37,744,081,096,550,528/207,597,808.80
  6. Step 6: Final answer
    x = 181,813,485.00

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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.