Home / 85,100,580,719.10-127,650,871,078.65-51,578,132,744.70

Finding the Fourth Proportional to 85,100,580,719.10, 127,650,871,078.65 and 51,578,132,744.70

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Solution

The fourth proportional to 85,100,580,719.10, 127,650,871,078.65 and 51,578,132,744.70 is: 77,367,199,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,580,719.10 : 127,650,871,078.65 = 51,578,132,744.70 : x
  2. Step 2: Convert to fraction form
    85,100,580,719.10/127,650,871,078.65 = 51,578,132,744.70/x
  3. Step 3: Cross multiply
    85,100,580,719.10x = 127,650,871,078.65 × 51,578,132,744.70
  4. Step 4: Simplify right side
    85,100,580,719.10x = 6,583,993,573,471,194,972,160
  5. Step 5: Solve for x
    x = 6,583,993,573,471,194,972,160/85,100,580,719.10
  6. Step 6: Final answer
    x = 77,367,199,117.05

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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.