Home / 103,518,004.40-155,277,006.60-30,746,016.80

Finding the Fourth Proportional to 103,518,004.40, 155,277,006.60 and 30,746,016.80

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Solution

The fourth proportional to 103,518,004.40, 155,277,006.60 and 30,746,016.80 is: 46,119,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,518,004.40 : 155,277,006.60 = 30,746,016.80 : x
  2. Step 2: Convert to fraction form
    103,518,004.40/155,277,006.60 = 30,746,016.80/x
  3. Step 3: Cross multiply
    103,518,004.40x = 155,277,006.60 × 30,746,016.80
  4. Step 4: Simplify right side
    103,518,004.40x = 4,774,149,453,577,311
  5. Step 5: Solve for x
    x = 4,774,149,453,577,311/103,518,004.40
  6. Step 6: Final answer
    x = 46,119,025.20

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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.