Home / 157,436,485.02-217,341,005.46-97,916,967.21

Finding the Fourth Proportional to 157,436,485.02, 217,341,005.46 and 97,916,967.21

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Solution

The fourth proportional to 157,436,485.02, 217,341,005.46 and 97,916,967.21 is: 135,174,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436,485.02 : 217,341,005.46 = 97,916,967.21 : x
  2. Step 2: Convert to fraction form
    157,436,485.02/217,341,005.46 = 97,916,967.21/x
  3. Step 3: Cross multiply
    157,436,485.02x = 217,341,005.46 × 97,916,967.21
  4. Step 4: Simplify right side
    157,436,485.02x = 21,281,372,105,015,252
  5. Step 5: Solve for x
    x = 21,281,372,105,015,252/157,436,485.02
  6. Step 6: Final answer
    x = 135,174,334.60

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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.