Home / 254,232,005.10-381,348,007.65-69,999,125.10

Finding the Fourth Proportional to 254,232,005.10, 381,348,007.65 and 69,999,125.10

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Solution

The fourth proportional to 254,232,005.10, 381,348,007.65 and 69,999,125.10 is: 104,998,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,232,005.10 : 381,348,007.65 = 69,999,125.10 : x
  2. Step 2: Convert to fraction form
    254,232,005.10/381,348,007.65 = 69,999,125.10/x
  3. Step 3: Cross multiply
    254,232,005.10x = 381,348,007.65 × 69,999,125.10
  4. Step 4: Simplify right side
    254,232,005.10x = 26,694,026,894,128,104
  5. Step 5: Solve for x
    x = 26,694,026,894,128,104/254,232,005.10
  6. Step 6: Final answer
    x = 104,998,687.65

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Double scale
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Similar ratio
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1.5x scale

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.