Home / 288,096,541.61-397,573,246.85-157,716,349.61

Finding the Fourth Proportional to 288,096,541.61, 397,573,246.85 and 157,716,349.61

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Solution

The fourth proportional to 288,096,541.61, 397,573,246.85 and 157,716,349.61 is: 217,648,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,096,541.61 : 397,573,246.85 = 157,716,349.61 : x
  2. Step 2: Convert to fraction form
    288,096,541.61/397,573,246.85 = 157,716,349.61/x
  3. Step 3: Cross multiply
    288,096,541.61x = 397,573,246.85 × 157,716,349.61
  4. Step 4: Simplify right side
    288,096,541.61x = 62,703,801,193,000,984
  5. Step 5: Solve for x
    x = 62,703,801,193,000,984/288,096,541.61
  6. Step 6: Final answer
    x = 217,648,573.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.