Home / 76,996,935.60-115,495,403.40-48,331,489.20

Finding the Fourth Proportional to 76,996,935.60, 115,495,403.40 and 48,331,489.20

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Solution

The fourth proportional to 76,996,935.60, 115,495,403.40 and 48,331,489.20 is: 72,497,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996,935.60 : 115,495,403.40 = 48,331,489.20 : x
  2. Step 2: Convert to fraction form
    76,996,935.60/115,495,403.40 = 48,331,489.20/x
  3. Step 3: Cross multiply
    76,996,935.60x = 115,495,403.40 × 48,331,489.20
  4. Step 4: Simplify right side
    76,996,935.60x = 5,582,064,842,076,744
  5. Step 5: Solve for x
    x = 5,582,064,842,076,744/76,996,935.60
  6. Step 6: Final answer
    x = 72,497,233.80

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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.