Home / 73,218,242.95-101,042,718.90-40,178,203.08

Finding the Fourth Proportional to 73,218,242.95, 101,042,718.90 and 40,178,203.08

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Solution

The fourth proportional to 73,218,242.95, 101,042,718.90 and 40,178,203.08 is: 55,446,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218,242.95 : 101,042,718.90 = 40,178,203.08 : x
  2. Step 2: Convert to fraction form
    73,218,242.95/101,042,718.90 = 40,178,203.08/x
  3. Step 3: Cross multiply
    73,218,242.95x = 101,042,718.90 × 40,178,203.08
  4. Step 4: Simplify right side
    73,218,242.95x = 4,059,714,879,719,554.50
  5. Step 5: Solve for x
    x = 4,059,714,879,719,554.50/73,218,242.95
  6. Step 6: Final answer
    x = 55,446,767.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.