Home / 106,518,186.80-159,777,280.20-38,352,021.20

Finding the Fourth Proportional to 106,518,186.80, 159,777,280.20 and 38,352,021.20

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Solution

The fourth proportional to 106,518,186.80, 159,777,280.20 and 38,352,021.20 is: 57,528,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,518,186.80 : 159,777,280.20 = 38,352,021.20 : x
  2. Step 2: Convert to fraction form
    106,518,186.80/159,777,280.20 = 38,352,021.20/x
  3. Step 3: Cross multiply
    106,518,186.80x = 159,777,280.20 × 38,352,021.20
  4. Step 4: Simplify right side
    106,518,186.80x = 6,127,781,637,508,740
  5. Step 5: Solve for x
    x = 6,127,781,637,508,740/106,518,186.80
  6. Step 6: Final answer
    x = 57,528,031.80

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1.5x scale

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.