Home / 129,041,484.48-178,077,150.72-71,094,732.48

Finding the Fourth Proportional to 129,041,484.48, 178,077,150.72 and 71,094,732.48

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Solution

The fourth proportional to 129,041,484.48, 178,077,150.72 and 71,094,732.48 is: 98,110,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,041,484.48 : 178,077,150.72 = 71,094,732.48 : x
  2. Step 2: Convert to fraction form
    129,041,484.48/178,077,150.72 = 71,094,732.48/x
  3. Step 3: Cross multiply
    129,041,484.48x = 178,077,150.72 × 71,094,732.48
  4. Step 4: Simplify right side
    129,041,484.48x = 12,660,347,391,239,040
  5. Step 5: Solve for x
    x = 12,660,347,391,239,040/129,041,484.48
  6. Step 6: Final answer
    x = 98,110,676.91

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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.