Home / 77,060,212.64-106,358,542.59-45,715,659.86

Finding the Fourth Proportional to 77,060,212.64, 106,358,542.59 and 45,715,659.86

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Solution

The fourth proportional to 77,060,212.64, 106,358,542.59 and 45,715,659.86 is: 63,096,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,060,212.64 : 106,358,542.59 = 45,715,659.86 : x
  2. Step 2: Convert to fraction form
    77,060,212.64/106,358,542.59 = 45,715,659.86/x
  3. Step 3: Cross multiply
    77,060,212.64x = 106,358,542.59 × 45,715,659.86
  4. Step 4: Simplify right side
    77,060,212.64x = 4,862,250,956,249,764
  5. Step 5: Solve for x
    x = 4,862,250,956,249,764/77,060,212.64
  6. Step 6: Final answer
    x = 63,096,775.75

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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.