Home / 172,603,952.76-238,200,695.82-99,265,153.08

Finding the Fourth Proportional to 172,603,952.76, 238,200,695.82 and 99,265,153.08

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Solution

The fourth proportional to 172,603,952.76, 238,200,695.82 and 99,265,153.08 is: 136,990,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,603,952.76 : 238,200,695.82 = 99,265,153.08 : x
  2. Step 2: Convert to fraction form
    172,603,952.76/238,200,695.82 = 99,265,153.08/x
  3. Step 3: Cross multiply
    172,603,952.76x = 238,200,695.82 × 99,265,153.08
  4. Step 4: Simplify right side
    172,603,952.76x = 23,645,028,534,334,816
  5. Step 5: Solve for x
    x = 23,645,028,534,334,816/172,603,952.76
  6. Step 6: Final answer
    x = 136,990,075.58

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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.