Home / 167,975,411.16-231,806,065.50-90,713,075.16

Finding the Fourth Proportional to 167,975,411.16, 231,806,065.50 and 90,713,075.16

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Solution

The fourth proportional to 167,975,411.16, 231,806,065.50 and 90,713,075.16 is: 125,184,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975,411.16 : 231,806,065.50 = 90,713,075.16 : x
  2. Step 2: Convert to fraction form
    167,975,411.16/231,806,065.50 = 90,713,075.16/x
  3. Step 3: Cross multiply
    167,975,411.16x = 231,806,065.50 × 90,713,075.16
  4. Step 4: Simplify right side
    167,975,411.16x = 21,027,841,042,245,384
  5. Step 5: Solve for x
    x = 21,027,841,042,245,384/167,975,411.16
  6. Step 6: Final answer
    x = 125,184,042.69

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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.