Home / 85,178,944.80-127,768,417.20-60,992,474.40

Finding the Fourth Proportional to 85,178,944.80, 127,768,417.20 and 60,992,474.40

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Solution

The fourth proportional to 85,178,944.80, 127,768,417.20 and 60,992,474.40 is: 91,488,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178,944.80 : 127,768,417.20 = 60,992,474.40 : x
  2. Step 2: Convert to fraction form
    85,178,944.80/127,768,417.20 = 60,992,474.40/x
  3. Step 3: Cross multiply
    85,178,944.80x = 127,768,417.20 × 60,992,474.40
  4. Step 4: Simplify right side
    85,178,944.80x = 7,792,911,915,199,520
  5. Step 5: Solve for x
    x = 7,792,911,915,199,520/85,178,944.80
  6. Step 6: Final answer
    x = 91,488,711.60

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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.