Home / 85,100,580,749.60-127,650,871,124.40-51,578,132,775.20

Finding the Fourth Proportional to 85,100,580,749.60, 127,650,871,124.40 and 51,578,132,775.20

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Solution

The fourth proportional to 85,100,580,749.60, 127,650,871,124.40 and 51,578,132,775.20 is: 77,367,199,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,580,749.60 : 127,650,871,124.40 = 51,578,132,775.20 : x
  2. Step 2: Convert to fraction form
    85,100,580,749.60/127,650,871,124.40 = 51,578,132,775.20/x
  3. Step 3: Cross multiply
    85,100,580,749.60x = 127,650,871,124.40 × 51,578,132,775.20
  4. Step 4: Simplify right side
    85,100,580,749.60x = 6,583,993,579,724,245,827,584
  5. Step 5: Solve for x
    x = 6,583,993,579,724,245,827,584/85,100,580,749.60
  6. Step 6: Final answer
    x = 77,367,199,162.80

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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.