Home / 129,099,130.70-178,151,629.64-70,360,564.41

Finding the Fourth Proportional to 129,099,130.70, 178,151,629.64 and 70,360,564.41

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Solution

The fourth proportional to 129,099,130.70, 178,151,629.64 and 70,360,564.41 is: 97,094,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,099,130.70 : 178,151,629.64 = 70,360,564.41 : x
  2. Step 2: Convert to fraction form
    129,099,130.70/178,151,629.64 = 70,360,564.41/x
  3. Step 3: Cross multiply
    129,099,130.70x = 178,151,629.64 × 70,360,564.41
  4. Step 4: Simplify right side
    129,099,130.70x = 12,534,849,211,679,880
  5. Step 5: Solve for x
    x = 12,534,849,211,679,880/129,099,130.70
  6. Step 6: Final answer
    x = 97,094,760.78

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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.