Home / 127,953,412.56-176,392,057.32-91,220,210.64

Finding the Fourth Proportional to 127,953,412.56, 176,392,057.32 and 91,220,210.64

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Solution

The fourth proportional to 127,953,412.56, 176,392,057.32 and 91,220,210.64 is: 125,752,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953,412.56 : 176,392,057.32 = 91,220,210.64 : x
  2. Step 2: Convert to fraction form
    127,953,412.56/176,392,057.32 = 91,220,210.64/x
  3. Step 3: Cross multiply
    127,953,412.56x = 176,392,057.32 × 91,220,210.64
  4. Step 4: Simplify right side
    127,953,412.56x = 16,090,520,623,953,354
  5. Step 5: Solve for x
    x = 16,090,520,623,953,354/127,953,412.56
  6. Step 6: Final answer
    x = 125,752,961.97

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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.