Home / 117,234,026.40-161,802,322.52-65,039,877.16

Finding the Fourth Proportional to 117,234,026.40, 161,802,322.52 and 65,039,877.16

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Solution

The fourth proportional to 117,234,026.40, 161,802,322.52 and 65,039,877.16 is: 89,765,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234,026.40 : 161,802,322.52 = 65,039,877.16 : x
  2. Step 2: Convert to fraction form
    117,234,026.40/161,802,322.52 = 65,039,877.16/x
  3. Step 3: Cross multiply
    117,234,026.40x = 161,802,322.52 × 65,039,877.16
  4. Step 4: Simplify right side
    117,234,026.40x = 10,523,603,180,903,502
  5. Step 5: Solve for x
    x = 10,523,603,180,903,502/117,234,026.40
  6. Step 6: Final answer
    x = 89,765,774.53

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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.