Home / 127,320,031.20-175,701,644.64-69,373,279.20

Finding the Fourth Proportional to 127,320,031.20, 175,701,644.64 and 69,373,279.20

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Solution

The fourth proportional to 127,320,031.20, 175,701,644.64 and 69,373,279.20 is: 95,735,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,320,031.20 : 175,701,644.64 = 69,373,279.20 : x
  2. Step 2: Convert to fraction form
    127,320,031.20/175,701,644.64 = 69,373,279.20/x
  3. Step 3: Cross multiply
    127,320,031.20x = 175,701,644.64 × 69,373,279.20
  4. Step 4: Simplify right side
    127,320,031.20x = 12,188,999,249,509,904
  5. Step 5: Solve for x
    x = 12,188,999,249,509,904/127,320,031.20
  6. Step 6: Final answer
    x = 95,735,126.16

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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.