Home / 256,609,038.60-384,771,840.30-83,997,001.80

Finding the Fourth Proportional to 256,609,038.60, 384,771,840.30 and 83,997,001.80

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Solution

The fourth proportional to 256,609,038.60, 384,771,840.30 and 83,997,001.80 is: 125,949,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609,038.60 : 384,771,840.30 = 83,997,001.80 : x
  2. Step 2: Convert to fraction form
    256,609,038.60/384,771,840.30 = 83,997,001.80/x
  3. Step 3: Cross multiply
    256,609,038.60x = 384,771,840.30 × 83,997,001.80
  4. Step 4: Simplify right side
    256,609,038.60x = 32,319,680,962,268,412
  5. Step 5: Solve for x
    x = 32,319,680,962,268,412/256,609,038.60
  6. Step 6: Final answer
    x = 125,949,113.63

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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.