Home / 93,313,573.20-139,970,359.80-81,369,637.20

Finding the Fourth Proportional to 93,313,573.20, 139,970,359.80 and 81,369,637.20

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Solution

The fourth proportional to 93,313,573.20, 139,970,359.80 and 81,369,637.20 is: 122,054,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313,573.20 : 139,970,359.80 = 81,369,637.20 : x
  2. Step 2: Convert to fraction form
    93,313,573.20/139,970,359.80 = 81,369,637.20/x
  3. Step 3: Cross multiply
    93,313,573.20x = 139,970,359.80 × 81,369,637.20
  4. Step 4: Simplify right side
    93,313,573.20x = 11,389,337,395,679,466
  5. Step 5: Solve for x
    x = 11,389,337,395,679,466/93,313,573.20
  6. Step 6: Final answer
    x = 122,054,455.80

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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.