Home / 129,965,075.22-194,946,109.89-31,597,339.03

Finding the Fourth Proportional to 129,965,075.22, 194,946,109.89 and 31,597,339.03

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Solution

The fourth proportional to 129,965,075.22, 194,946,109.89 and 31,597,339.03 is: 47,395,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,075.22 : 194,946,109.89 = 31,597,339.03 : x
  2. Step 2: Convert to fraction form
    129,965,075.22/194,946,109.89 = 31,597,339.03/x
  3. Step 3: Cross multiply
    129,965,075.22x = 194,946,109.89 × 31,597,339.03
  4. Step 4: Simplify right side
    129,965,075.22x = 6,159,778,326,773,966
  5. Step 5: Solve for x
    x = 6,159,778,326,773,966/129,965,075.22
  6. Step 6: Final answer
    x = 47,395,643.15

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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.