Home / 256,562,412.16-384,802,652.16-74,767,066.24

Finding the Fourth Proportional to 256,562,412.16, 384,802,652.16 and 74,767,066.24

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Solution

The fourth proportional to 256,562,412.16, 384,802,652.16 and 74,767,066.24 is: 112,138,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562,412.16 : 384,802,652.16 = 74,767,066.24 : x
  2. Step 2: Convert to fraction form
    256,562,412.16/384,802,652.16 = 74,767,066.24/x
  3. Step 3: Cross multiply
    256,562,412.16x = 384,802,652.16 × 74,767,066.24
  4. Step 4: Simplify right side
    256,562,412.16x = 28,770,565,383,374,400
  5. Step 5: Solve for x
    x = 28,770,565,383,374,400/256,562,412.16
  6. Step 6: Final answer
    x = 112,138,661.08

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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.