Home / 64,518,531,002.40-96,777,796,503.60-51,457,836,986.40

Finding the Fourth Proportional to 64,518,531,002.40, 96,777,796,503.60 and 51,457,836,986.40

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Solution

The fourth proportional to 64,518,531,002.40, 96,777,796,503.60 and 51,457,836,986.40 is: 77,186,755,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518,531,002.40 : 96,777,796,503.60 = 51,457,836,986.40 : x
  2. Step 2: Convert to fraction form
    64,518,531,002.40/96,777,796,503.60 = 51,457,836,986.40/x
  3. Step 3: Cross multiply
    64,518,531,002.40x = 96,777,796,503.60 × 51,457,836,986.40
  4. Step 4: Simplify right side
    64,518,531,002.40x = 4,979,976,076,385,241,268,224
  5. Step 5: Solve for x
    x = 4,979,976,076,385,241,268,224/64,518,531,002.40
  6. Step 6: Final answer
    x = 77,186,755,479.60

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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.