Home / 153,272,021.20-229,908,031.80-136,643,822.80

Finding the Fourth Proportional to 153,272,021.20, 229,908,031.80 and 136,643,822.80

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Solution

The fourth proportional to 153,272,021.20, 229,908,031.80 and 136,643,822.80 is: 204,965,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,272,021.20 : 229,908,031.80 = 136,643,822.80 : x
  2. Step 2: Convert to fraction form
    153,272,021.20/229,908,031.80 = 136,643,822.80/x
  3. Step 3: Cross multiply
    153,272,021.20x = 229,908,031.80 × 136,643,822.80
  4. Step 4: Simplify right side
    153,272,021.20x = 31,415,512,357,575,968
  5. Step 5: Solve for x
    x = 31,415,512,357,575,968/153,272,021.20
  6. Step 6: Final answer
    x = 204,965,734.20

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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.