Home / 130,408,839.60-195,613,259.40-85,059,207.60

Finding the Fourth Proportional to 130,408,839.60, 195,613,259.40 and 85,059,207.60

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Solution

The fourth proportional to 130,408,839.60, 195,613,259.40 and 85,059,207.60 is: 127,588,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,839.60 : 195,613,259.40 = 85,059,207.60 : x
  2. Step 2: Convert to fraction form
    130,408,839.60/195,613,259.40 = 85,059,207.60/x
  3. Step 3: Cross multiply
    130,408,839.60x = 195,613,259.40 × 85,059,207.60
  4. Step 4: Simplify right side
    130,408,839.60x = 16,638,708,840,617,250
  5. Step 5: Solve for x
    x = 16,638,708,840,617,250/130,408,839.60
  6. Step 6: Final answer
    x = 127,588,811.40

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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.