Home / 127,840,020.80-191,760,031.20-56,176,404.80

Finding the Fourth Proportional to 127,840,020.80, 191,760,031.20 and 56,176,404.80

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Solution

The fourth proportional to 127,840,020.80, 191,760,031.20 and 56,176,404.80 is: 84,264,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,840,020.80 : 191,760,031.20 = 56,176,404.80 : x
  2. Step 2: Convert to fraction form
    127,840,020.80/191,760,031.20 = 56,176,404.80/x
  3. Step 3: Cross multiply
    127,840,020.80x = 191,760,031.20 × 56,176,404.80
  4. Step 4: Simplify right side
    127,840,020.80x = 10,772,389,137,151,828
  5. Step 5: Solve for x
    x = 10,772,389,137,151,828/127,840,020.80
  6. Step 6: Final answer
    x = 84,264,607.20

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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.