Home / 124,707,856.40-187,061,784.60-56,683,408.40

Finding the Fourth Proportional to 124,707,856.40, 187,061,784.60 and 56,683,408.40

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Solution

The fourth proportional to 124,707,856.40, 187,061,784.60 and 56,683,408.40 is: 85,025,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,707,856.40 : 187,061,784.60 = 56,683,408.40 : x
  2. Step 2: Convert to fraction form
    124,707,856.40/187,061,784.60 = 56,683,408.40/x
  3. Step 3: Cross multiply
    124,707,856.40x = 187,061,784.60 × 56,683,408.40
  4. Step 4: Simplify right side
    124,707,856.40x = 10,603,299,532,514,630
  5. Step 5: Solve for x
    x = 10,603,299,532,514,630/124,707,856.40
  6. Step 6: Final answer
    x = 85,025,112.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.