Home / 85,100,580,805.10-127,650,871,207.65-51,578,132,830.70

Finding the Fourth Proportional to 85,100,580,805.10, 127,650,871,207.65 and 51,578,132,830.70

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Solution

The fourth proportional to 85,100,580,805.10, 127,650,871,207.65 and 51,578,132,830.70 is: 77,367,199,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,580,805.10 : 127,650,871,207.65 = 51,578,132,830.70 : x
  2. Step 2: Convert to fraction form
    85,100,580,805.10/127,650,871,207.65 = 51,578,132,830.70/x
  3. Step 3: Cross multiply
    85,100,580,805.10x = 127,650,871,207.65 × 51,578,132,830.70
  4. Step 4: Simplify right side
    85,100,580,805.10x = 6,583,993,591,102,748,753,920
  5. Step 5: Solve for x
    x = 6,583,993,591,102,748,753,920/85,100,580,805.10
  6. Step 6: Final answer
    x = 77,367,199,246.05

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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.