Home / 161,729,217.78-242,507,513.63-83,927,784.92

Finding the Fourth Proportional to 161,729,217.78, 242,507,513.63 and 83,927,784.92

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Solution

The fourth proportional to 161,729,217.78, 242,507,513.63 and 83,927,784.92 is: 125,846,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,729,217.78 : 242,507,513.63 = 83,927,784.92 : x
  2. Step 2: Convert to fraction form
    161,729,217.78/242,507,513.63 = 83,927,784.92/x
  3. Step 3: Cross multiply
    161,729,217.78x = 242,507,513.63 × 83,927,784.92
  4. Step 4: Simplify right side
    161,729,217.78x = 20,353,118,443,790,432
  5. Step 5: Solve for x
    x = 20,353,118,443,790,432/161,729,217.78
  6. Step 6: Final answer
    x = 125,846,886.07

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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.