Home / 164,028,305.40-246,023,795.70-42,872,004.60

Finding the Fourth Proportional to 164,028,305.40, 246,023,795.70 and 42,872,004.60

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Solution

The fourth proportional to 164,028,305.40, 246,023,795.70 and 42,872,004.60 is: 64,303,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,028,305.40 : 246,023,795.70 = 42,872,004.60 : x
  2. Step 2: Convert to fraction form
    164,028,305.40/246,023,795.70 = 42,872,004.60/x
  3. Step 3: Cross multiply
    164,028,305.40x = 246,023,795.70 × 42,872,004.60
  4. Step 4: Simplify right side
    164,028,305.40x = 10,547,533,300,959,860
  5. Step 5: Solve for x
    x = 10,547,533,300,959,860/164,028,305.40
  6. Step 6: Final answer
    x = 64,303,129.12

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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.