Home / 256,668,429.90-384,832,609.65-141,708,045.90

Finding the Fourth Proportional to 256,668,429.90, 384,832,609.65 and 141,708,045.90

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Solution

The fourth proportional to 256,668,429.90, 384,832,609.65 and 141,708,045.90 is: 212,468,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,668,429.90 : 384,832,609.65 = 141,708,045.90 : x
  2. Step 2: Convert to fraction form
    256,668,429.90/384,832,609.65 = 141,708,045.90/x
  3. Step 3: Cross multiply
    256,668,429.90x = 384,832,609.65 × 141,708,045.90
  4. Step 4: Simplify right side
    256,668,429.90x = 54,533,877,112,098,984
  5. Step 5: Solve for x
    x = 54,533,877,112,098,984/256,668,429.90
  6. Step 6: Final answer
    x = 212,468,191.48

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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.