Home / 176,308,039.40-264,462,059.10-85,608,775.40

Finding the Fourth Proportional to 176,308,039.40, 264,462,059.10 and 85,608,775.40

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Solution

The fourth proportional to 176,308,039.40, 264,462,059.10 and 85,608,775.40 is: 128,413,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,308,039.40 : 264,462,059.10 = 85,608,775.40 : x
  2. Step 2: Convert to fraction form
    176,308,039.40/264,462,059.10 = 85,608,775.40/x
  3. Step 3: Cross multiply
    176,308,039.40x = 264,462,059.10 × 85,608,775.40
  4. Step 4: Simplify right side
    176,308,039.40x = 22,640,273,019,313,428
  5. Step 5: Solve for x
    x = 22,640,273,019,313,428/176,308,039.40
  6. Step 6: Final answer
    x = 128,413,163.10

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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.