Home / 127,650,871,161.90-191,476,306,742.85-77,367,199,200.30

Finding the Fourth Proportional to 127,650,871,161.90, 191,476,306,742.85 and 77,367,199,200.30

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Solution

The fourth proportional to 127,650,871,161.90, 191,476,306,742.85 and 77,367,199,200.30 is: 116,050,798,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,871,161.90 : 191,476,306,742.85 = 77,367,199,200.30 : x
  2. Step 2: Convert to fraction form
    127,650,871,161.90/191,476,306,742.85 = 77,367,199,200.30/x
  3. Step 3: Cross multiply
    127,650,871,161.90x = 191,476,306,742.85 × 77,367,199,200.30
  4. Step 4: Simplify right side
    127,650,871,161.90x = 14,813,985,565,911,822,630,912
  5. Step 5: Solve for x
    x = 14,813,985,565,911,822,630,912/127,650,871,161.90
  6. Step 6: Final answer
    x = 116,050,798,800.45

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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.