Home / 57,202,368.90-85,803,553.35-30,328,512.90

Finding the Fourth Proportional to 57,202,368.90, 85,803,553.35 and 30,328,512.90

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Solution

The fourth proportional to 57,202,368.90, 85,803,553.35 and 30,328,512.90 is: 45,492,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202,368.90 : 85,803,553.35 = 30,328,512.90 : x
  2. Step 2: Convert to fraction form
    57,202,368.90/85,803,553.35 = 30,328,512.90/x
  3. Step 3: Cross multiply
    57,202,368.90x = 85,803,553.35 × 30,328,512.90
  4. Step 4: Simplify right side
    57,202,368.90x = 2,602,294,174,641,313
  5. Step 5: Solve for x
    x = 2,602,294,174,641,313/57,202,368.90
  6. Step 6: Final answer
    x = 45,492,769.35

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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.