Home / 147,230,653.79-203,166,355.21-85,354,978.16

Finding the Fourth Proportional to 147,230,653.79, 203,166,355.21 and 85,354,978.16

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Solution

The fourth proportional to 147,230,653.79, 203,166,355.21 and 85,354,978.16 is: 117,782,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230,653.79 : 203,166,355.21 = 85,354,978.16 : x
  2. Step 2: Convert to fraction form
    147,230,653.79/203,166,355.21 = 85,354,978.16/x
  3. Step 3: Cross multiply
    147,230,653.79x = 203,166,355.21 × 85,354,978.16
  4. Step 4: Simplify right side
    147,230,653.79x = 17,341,259,812,090,880
  5. Step 5: Solve for x
    x = 17,341,259,812,090,880/147,230,653.79
  6. Step 6: Final answer
    x = 117,782,943.74

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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.