Home / 229,553,021.61-316,767,343.01-129,096,479.79

Finding the Fourth Proportional to 229,553,021.61, 316,767,343.01 and 129,096,479.79

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Solution

The fourth proportional to 229,553,021.61, 316,767,343.01 and 129,096,479.79 is: 178,144,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,553,021.61 : 316,767,343.01 = 129,096,479.79 : x
  2. Step 2: Convert to fraction form
    229,553,021.61/316,767,343.01 = 129,096,479.79/x
  3. Step 3: Cross multiply
    229,553,021.61x = 316,767,343.01 × 129,096,479.79
  4. Step 4: Simplify right side
    229,553,021.61x = 40,893,548,894,376,984
  5. Step 5: Solve for x
    x = 40,893,548,894,376,984/229,553,021.61
  6. Step 6: Final answer
    x = 178,144,241.39

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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.