Home / 256,013,767.04-353,299,928.54-138,539,084.59

Finding the Fourth Proportional to 256,013,767.04, 353,299,928.54 and 138,539,084.59

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Solution

The fourth proportional to 256,013,767.04, 353,299,928.54 and 138,539,084.59 is: 191,184,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,013,767.04 : 353,299,928.54 = 138,539,084.59 : x
  2. Step 2: Convert to fraction form
    256,013,767.04/353,299,928.54 = 138,539,084.59/x
  3. Step 3: Cross multiply
    256,013,767.04x = 353,299,928.54 × 138,539,084.59
  4. Step 4: Simplify right side
    256,013,767.04x = 48,945,848,686,776,400
  5. Step 5: Solve for x
    x = 48,945,848,686,776,400/256,013,767.04
  6. Step 6: Final answer
    x = 191,184,440.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.