Home / 76,668,489,164.40-115,005,076,612.32-26,303,216,457.60

Finding the Fourth Proportional to 76,668,489,164.40, 115,005,076,612.32 and 26,303,216,457.60

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Solution

The fourth proportional to 76,668,489,164.40, 115,005,076,612.32 and 26,303,216,457.60 is: 39,455,628,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668,489,164.40 : 115,005,076,612.32 = 26,303,216,457.60 : x
  2. Step 2: Convert to fraction form
    76,668,489,164.40/115,005,076,612.32 = 26,303,216,457.60/x
  3. Step 3: Cross multiply
    76,668,489,164.40x = 115,005,076,612.32 × 26,303,216,457.60
  4. Step 4: Simplify right side
    76,668,489,164.40x = 3,025,003,423,856,724,541,440
  5. Step 5: Solve for x
    x = 3,025,003,423,856,724,541,440/76,668,489,164.40
  6. Step 6: Final answer
    x = 39,455,628,470.39

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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.