Home / 79,661,088.48-109,903,141.13-48,276,496.45

Finding the Fourth Proportional to 79,661,088.48, 109,903,141.13 and 48,276,496.45

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Solution

The fourth proportional to 79,661,088.48, 109,903,141.13 and 48,276,496.45 is: 66,603,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661,088.48 : 109,903,141.13 = 48,276,496.45 : x
  2. Step 2: Convert to fraction form
    79,661,088.48/109,903,141.13 = 48,276,496.45/x
  3. Step 3: Cross multiply
    79,661,088.48x = 109,903,141.13 × 48,276,496.45
  4. Step 4: Simplify right side
    79,661,088.48x = 5,305,738,602,606,294
  5. Step 5: Solve for x
    x = 5,305,738,602,606,294/79,661,088.48
  6. Step 6: Final answer
    x = 66,603,892.86

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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.