Home / 288,766,808.82-433,119,507.75-81,500,094.90

Finding the Fourth Proportional to 288,766,808.82, 433,119,507.75 and 81,500,094.90

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Solution

The fourth proportional to 288,766,808.82, 433,119,507.75 and 81,500,094.90 is: 122,241,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,766,808.82 : 433,119,507.75 = 81,500,094.90 : x
  2. Step 2: Convert to fraction form
    288,766,808.82/433,119,507.75 = 81,500,094.90/x
  3. Step 3: Cross multiply
    288,766,808.82x = 433,119,507.75 × 81,500,094.90
  4. Step 4: Simplify right side
    288,766,808.82x = 35,299,280,984,666,288
  5. Step 5: Solve for x
    x = 35,299,280,984,666,288/288,766,808.82
  6. Step 6: Final answer
    x = 122,241,476.19

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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.