Home / 92,779,338.48-128,027,864.16-50,961,242.64

Finding the Fourth Proportional to 92,779,338.48, 128,027,864.16 and 50,961,242.64

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Solution

The fourth proportional to 92,779,338.48, 128,027,864.16 and 50,961,242.64 is: 70,322,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,779,338.48 : 128,027,864.16 = 50,961,242.64 : x
  2. Step 2: Convert to fraction form
    92,779,338.48/128,027,864.16 = 50,961,242.64/x
  3. Step 3: Cross multiply
    92,779,338.48x = 128,027,864.16 × 50,961,242.64
  4. Step 4: Simplify right side
    92,779,338.48x = 6,524,459,050,138,720
  5. Step 5: Solve for x
    x = 6,524,459,050,138,720/92,779,338.48
  6. Step 6: Final answer
    x = 70,322,327.76

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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.