Home / 129,031,065.20-193,546,597.80-97,180,569.20

Finding the Fourth Proportional to 129,031,065.20, 193,546,597.80 and 97,180,569.20

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Solution

The fourth proportional to 129,031,065.20, 193,546,597.80 and 97,180,569.20 is: 145,770,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,031,065.20 : 193,546,597.80 = 97,180,569.20 : x
  2. Step 2: Convert to fraction form
    129,031,065.20/193,546,597.80 = 97,180,569.20/x
  3. Step 3: Cross multiply
    129,031,065.20x = 193,546,597.80 × 97,180,569.20
  4. Step 4: Simplify right side
    129,031,065.20x = 18,808,968,540,927,468
  5. Step 5: Solve for x
    x = 18,808,968,540,927,468/129,031,065.20
  6. Step 6: Final answer
    x = 145,770,853.80

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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.