Home / 70,401,123.60-97,151,816.52-39,038,999.28

Finding the Fourth Proportional to 70,401,123.60, 97,151,816.52 and 39,038,999.28

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Solution

The fourth proportional to 70,401,123.60, 97,151,816.52 and 39,038,999.28 is: 53,872,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,401,123.60 : 97,151,816.52 = 39,038,999.28 : x
  2. Step 2: Convert to fraction form
    70,401,123.60/97,151,816.52 = 39,038,999.28/x
  3. Step 3: Cross multiply
    70,401,123.60x = 97,151,816.52 × 39,038,999.28
  4. Step 4: Simplify right side
    70,401,123.60x = 3,792,709,695,174,972
  5. Step 5: Solve for x
    x = 3,792,709,695,174,972/70,401,123.60
  6. Step 6: Final answer
    x = 53,872,857.44

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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.