Home / 56,795,916.40-85,193,874.60-38,880,012.40

Finding the Fourth Proportional to 56,795,916.40, 85,193,874.60 and 38,880,012.40

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Solution

The fourth proportional to 56,795,916.40, 85,193,874.60 and 38,880,012.40 is: 58,320,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795,916.40 : 85,193,874.60 = 38,880,012.40 : x
  2. Step 2: Convert to fraction form
    56,795,916.40/85,193,874.60 = 38,880,012.40/x
  3. Step 3: Cross multiply
    56,795,916.40x = 85,193,874.60 × 38,880,012.40
  4. Step 4: Simplify right side
    56,795,916.40x = 3,312,338,900,852,044.50
  5. Step 5: Solve for x
    x = 3,312,338,900,852,044.50/56,795,916.40
  6. Step 6: Final answer
    x = 58,320,018.60

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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.