Home / 93,012,902.88-128,356,787.30-51,196,074.13

Finding the Fourth Proportional to 93,012,902.88, 128,356,787.30 and 51,196,074.13

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Solution

The fourth proportional to 93,012,902.88, 128,356,787.30 and 51,196,074.13 is: 70,650,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012,902.88 : 128,356,787.30 = 51,196,074.13 : x
  2. Step 2: Convert to fraction form
    93,012,902.88/128,356,787.30 = 51,196,074.13/x
  3. Step 3: Cross multiply
    93,012,902.88x = 128,356,787.30 × 51,196,074.13
  4. Step 4: Simplify right side
    93,012,902.88x = 6,571,363,597,699,443
  5. Step 5: Solve for x
    x = 6,571,363,597,699,443/93,012,902.88
  6. Step 6: Final answer
    x = 70,650,021.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.