Home / 288,598,401.42-433,046,434.86-135,260,035.98

Finding the Fourth Proportional to 288,598,401.42, 433,046,434.86 and 135,260,035.98

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Solution

The fourth proportional to 288,598,401.42, 433,046,434.86 and 135,260,035.98 is: 202,959,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,598,401.42 : 433,046,434.86 = 135,260,035.98 : x
  2. Step 2: Convert to fraction form
    288,598,401.42/433,046,434.86 = 135,260,035.98/x
  3. Step 3: Cross multiply
    288,598,401.42x = 433,046,434.86 × 135,260,035.98
  4. Step 4: Simplify right side
    288,598,401.42x = 58,573,876,360,174,320
  5. Step 5: Solve for x
    x = 58,573,876,360,174,320/288,598,401.42
  6. Step 6: Final answer
    x = 202,959,808.76

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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.