Home / 146,513,313.10-219,769,969.65-69,985,809.10

Finding the Fourth Proportional to 146,513,313.10, 219,769,969.65 and 69,985,809.10

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Solution

The fourth proportional to 146,513,313.10, 219,769,969.65 and 69,985,809.10 is: 104,978,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513,313.10 : 219,769,969.65 = 69,985,809.10 : x
  2. Step 2: Convert to fraction form
    146,513,313.10/219,769,969.65 = 69,985,809.10/x
  3. Step 3: Cross multiply
    146,513,313.10x = 219,769,969.65 × 69,985,809.10
  4. Step 4: Simplify right side
    146,513,313.10x = 15,380,779,141,837,692
  5. Step 5: Solve for x
    x = 15,380,779,141,837,692/146,513,313.10
  6. Step 6: Final answer
    x = 104,978,713.65

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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.