Home / 116,979,913.59-161,437,323.96-64,768,948.86

Finding the Fourth Proportional to 116,979,913.59, 161,437,323.96 and 64,768,948.86

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Solution

The fourth proportional to 116,979,913.59, 161,437,323.96 and 64,768,948.86 is: 89,383,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979,913.59 : 161,437,323.96 = 64,768,948.86 : x
  2. Step 2: Convert to fraction form
    116,979,913.59/161,437,323.96 = 64,768,948.86/x
  3. Step 3: Cross multiply
    116,979,913.59x = 161,437,323.96 × 64,768,948.86
  4. Step 4: Simplify right side
    116,979,913.59x = 10,456,125,779,660,494
  5. Step 5: Solve for x
    x = 10,456,125,779,660,494/116,979,913.59
  6. Step 6: Final answer
    x = 89,383,941.73

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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.