Home / 78,580,982.10-117,871,473.15-59,449,106.10

Finding the Fourth Proportional to 78,580,982.10, 117,871,473.15 and 59,449,106.10

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Solution

The fourth proportional to 78,580,982.10, 117,871,473.15 and 59,449,106.10 is: 89,173,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,580,982.10 : 117,871,473.15 = 59,449,106.10 : x
  2. Step 2: Convert to fraction form
    78,580,982.10/117,871,473.15 = 59,449,106.10/x
  3. Step 3: Cross multiply
    78,580,982.10x = 117,871,473.15 × 59,449,106.10
  4. Step 4: Simplify right side
    78,580,982.10x = 7,007,353,713,457,652
  5. Step 5: Solve for x
    x = 7,007,353,713,457,652/78,580,982.10
  6. Step 6: Final answer
    x = 89,173,659.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.