Home / 93,388,665.07-128,910,748.08-56,220,672.97

Finding the Fourth Proportional to 93,388,665.07, 128,910,748.08 and 56,220,672.97

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Solution

The fourth proportional to 93,388,665.07, 128,910,748.08 and 56,220,672.97 is: 77,605,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,388,665.07 : 128,910,748.08 = 56,220,672.97 : x
  2. Step 2: Convert to fraction form
    93,388,665.07/128,910,748.08 = 56,220,672.97/x
  3. Step 3: Cross multiply
    93,388,665.07x = 128,910,748.08 × 56,220,672.97
  4. Step 4: Simplify right side
    93,388,665.07x = 7,247,449,010,123,735
  5. Step 5: Solve for x
    x = 7,247,449,010,123,735/93,388,665.07
  6. Step 6: Final answer
    x = 77,605,231.91

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1.5x scale

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.