Home / 105,182,109.12-145,156,917.60-58,773,489.60

Finding the Fourth Proportional to 105,182,109.12, 145,156,917.60 and 58,773,489.60

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Solution

The fourth proportional to 105,182,109.12, 145,156,917.60 and 58,773,489.60 is: 81,110,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,182,109.12 : 145,156,917.60 = 58,773,489.60 : x
  2. Step 2: Convert to fraction form
    105,182,109.12/145,156,917.60 = 58,773,489.60/x
  3. Step 3: Cross multiply
    105,182,109.12x = 145,156,917.60 × 58,773,489.60
  4. Step 4: Simplify right side
    105,182,109.12x = 8,531,378,586,931,657
  5. Step 5: Solve for x
    x = 8,531,378,586,931,657/105,182,109.12
  6. Step 6: Final answer
    x = 81,110,548.73

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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.