Home / 93,316,138.40-139,974,207.60-87,647,434.40

Finding the Fourth Proportional to 93,316,138.40, 139,974,207.60 and 87,647,434.40

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Solution

The fourth proportional to 93,316,138.40, 139,974,207.60 and 87,647,434.40 is: 131,471,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316,138.40 : 139,974,207.60 = 87,647,434.40 : x
  2. Step 2: Convert to fraction form
    93,316,138.40/139,974,207.60 = 87,647,434.40/x
  3. Step 3: Cross multiply
    93,316,138.40x = 139,974,207.60 × 87,647,434.40
  4. Step 4: Simplify right side
    93,316,138.40x = 12,268,380,178,312,982
  5. Step 5: Solve for x
    x = 12,268,380,178,312,982/93,316,138.40
  6. Step 6: Final answer
    x = 131,471,151.60

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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.