Home / 116,955,305.35-161,400,232.32-64,031,130.07

Finding the Fourth Proportional to 116,955,305.35, 161,400,232.32 and 64,031,130.07

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Solution

The fourth proportional to 116,955,305.35, 161,400,232.32 and 64,031,130.07 is: 88,364,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,955,305.35 : 161,400,232.32 = 64,031,130.07 : x
  2. Step 2: Convert to fraction form
    116,955,305.35/161,400,232.32 = 64,031,130.07/x
  3. Step 3: Cross multiply
    116,955,305.35x = 161,400,232.32 × 64,031,130.07
  4. Step 4: Simplify right side
    116,955,305.35x = 10,334,639,269,010,138
  5. Step 5: Solve for x
    x = 10,334,639,269,010,138/116,955,305.35
  6. Step 6: Final answer
    x = 88,364,005.70

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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.