Home / 403,258,314.96-604,934,252.40-140,861,617.68

Finding the Fourth Proportional to 403,258,314.96, 604,934,252.40 and 140,861,617.68

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Solution

The fourth proportional to 403,258,314.96, 604,934,252.40 and 140,861,617.68 is: 211,308,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,258,314.96 : 604,934,252.40 = 140,861,617.68 : x
  2. Step 2: Convert to fraction form
    403,258,314.96/604,934,252.40 = 140,861,617.68/x
  3. Step 3: Cross multiply
    403,258,314.96x = 604,934,252.40 × 140,861,617.68
  4. Step 4: Simplify right side
    403,258,314.96x = 85,212,017,383,105,424
  5. Step 5: Solve for x
    x = 85,212,017,383,105,424/403,258,314.96
  6. Step 6: Final answer
    x = 211,308,767.16

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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.