Home / 256,572,975.96-384,859,456.50-118,357,689.60

Finding the Fourth Proportional to 256,572,975.96, 384,859,456.50 and 118,357,689.60

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Solution

The fourth proportional to 256,572,975.96, 384,859,456.50 and 118,357,689.60 is: 177,536,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,572,975.96 : 384,859,456.50 = 118,357,689.60 : x
  2. Step 2: Convert to fraction form
    256,572,975.96/384,859,456.50 = 118,357,689.60/x
  3. Step 3: Cross multiply
    256,572,975.96x = 384,859,456.50 × 118,357,689.60
  4. Step 4: Simplify right side
    256,572,975.96x = 45,551,076,092,051,704
  5. Step 5: Solve for x
    x = 45,551,076,092,051,704/256,572,975.96
  6. Step 6: Final answer
    x = 177,536,530.97

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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.