Home / 145,495,309.65-218,242,964.48-123,702,907.16

Finding the Fourth Proportional to 145,495,309.65, 218,242,964.48 and 123,702,907.16

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Solution

The fourth proportional to 145,495,309.65, 218,242,964.48 and 123,702,907.16 is: 185,554,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,495,309.65 : 218,242,964.48 = 123,702,907.16 : x
  2. Step 2: Convert to fraction form
    145,495,309.65/218,242,964.48 = 123,702,907.16/x
  3. Step 3: Cross multiply
    145,495,309.65x = 218,242,964.48 × 123,702,907.16
  4. Step 4: Simplify right side
    145,495,309.65x = 26,997,289,171,682,888
  5. Step 5: Solve for x
    x = 26,997,289,171,682,888/145,495,309.65
  6. Step 6: Final answer
    x = 185,554,360.73

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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.