Home / 85,178,950.80-127,768,426.20-60,992,480.40

Finding the Fourth Proportional to 85,178,950.80, 127,768,426.20 and 60,992,480.40

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Solution

The fourth proportional to 85,178,950.80, 127,768,426.20 and 60,992,480.40 is: 91,488,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178,950.80 : 127,768,426.20 = 60,992,480.40 : x
  2. Step 2: Convert to fraction form
    85,178,950.80/127,768,426.20 = 60,992,480.40/x
  3. Step 3: Cross multiply
    85,178,950.80x = 127,768,426.20 × 60,992,480.40
  4. Step 4: Simplify right side
    85,178,950.80x = 7,792,913,230,742,346
  5. Step 5: Solve for x
    x = 7,792,913,230,742,346/85,178,950.80
  6. Step 6: Final answer
    x = 91,488,720.60

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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.