Home / 85,595,772.56-118,122,153-48,927,130.64

Finding the Fourth Proportional to 85,595,772.56, 118,122,153 and 48,927,130.64

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Solution

The fourth proportional to 85,595,772.56, 118,122,153 and 48,927,130.64 is: 67,519,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595,772.56 : 118,122,153 = 48,927,130.64 : x
  2. Step 2: Convert to fraction form
    85,595,772.56/118,122,153 = 48,927,130.64/x
  3. Step 3: Cross multiply
    85,595,772.56x = 118,122,153 × 48,927,130.64
  4. Step 4: Simplify right side
    85,595,772.56x = 5,779,378,011,309,068
  5. Step 5: Solve for x
    x = 5,779,378,011,309,068/85,595,772.56
  6. Step 6: Final answer
    x = 67,519,432.78

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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.