Home / 103,275,835.08-142,523,788.02-56,867,749.80

Finding the Fourth Proportional to 103,275,835.08, 142,523,788.02 and 56,867,749.80

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Solution

The fourth proportional to 103,275,835.08, 142,523,788.02 and 56,867,749.80 is: 78,479,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,275,835.08 : 142,523,788.02 = 56,867,749.80 : x
  2. Step 2: Convert to fraction form
    103,275,835.08/142,523,788.02 = 56,867,749.80/x
  3. Step 3: Cross multiply
    103,275,835.08x = 142,523,788.02 × 56,867,749.80
  4. Step 4: Simplify right side
    103,275,835.08x = 8,105,007,117,669,598
  5. Step 5: Solve for x
    x = 8,105,007,117,669,598/103,275,835.08
  6. Step 6: Final answer
    x = 78,479,221.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.