Home / 93,102,699.60-139,665,643.74-31,687,138.80

Finding the Fourth Proportional to 93,102,699.60, 139,665,643.74 and 31,687,138.80

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Solution

The fourth proportional to 93,102,699.60, 139,665,643.74 and 31,687,138.80 is: 47,534,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,102,699.60 : 139,665,643.74 = 31,687,138.80 : x
  2. Step 2: Convert to fraction form
    93,102,699.60/139,665,643.74 = 31,687,138.80/x
  3. Step 3: Cross multiply
    93,102,699.60x = 139,665,643.74 × 31,687,138.80
  4. Step 4: Simplify right side
    93,102,699.60x = 4,425,604,638,780,731.50
  5. Step 5: Solve for x
    x = 4,425,604,638,780,731.50/93,102,699.60
  6. Step 6: Final answer
    x = 47,534,654.29

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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.