Home / 85,269,041,276.76-127,923,177,598.35-28,616,422,101.39

Finding the Fourth Proportional to 85,269,041,276.76, 127,923,177,598.35 and 28,616,422,101.39

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Solution

The fourth proportional to 85,269,041,276.76, 127,923,177,598.35 and 28,616,422,101.39 is: 42,931,216,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269,041,276.76 : 127,923,177,598.35 = 28,616,422,101.39 : x
  2. Step 2: Convert to fraction form
    85,269,041,276.76/127,923,177,598.35 = 28,616,422,101.39/x
  3. Step 3: Cross multiply
    85,269,041,276.76x = 127,923,177,598.35 × 28,616,422,101.39
  4. Step 4: Simplify right side
    85,269,041,276.76x = 3,660,703,646,705,460,969,472
  5. Step 5: Solve for x
    x = 3,660,703,646,705,460,969,472/85,269,041,276.76
  6. Step 6: Final answer
    x = 42,931,216,205.70

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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.