Home / 93,302,563.10-128,783,146.79-54,156,951.34

Finding the Fourth Proportional to 93,302,563.10, 128,783,146.79 and 54,156,951.34

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Solution

The fourth proportional to 93,302,563.10, 128,783,146.79 and 54,156,951.34 is: 74,751,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302,563.10 : 128,783,146.79 = 54,156,951.34 : x
  2. Step 2: Convert to fraction form
    93,302,563.10/128,783,146.79 = 54,156,951.34/x
  3. Step 3: Cross multiply
    93,302,563.10x = 128,783,146.79 × 54,156,951.34
  4. Step 4: Simplify right side
    93,302,563.10x = 6,974,502,613,931,542
  5. Step 5: Solve for x
    x = 6,974,502,613,931,542/93,302,563.10
  6. Step 6: Final answer
    x = 74,751,457.87

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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.