Home / 132,879,076.80-199,346,608.80-42,011,851.20

Finding the Fourth Proportional to 132,879,076.80, 199,346,608.80 and 42,011,851.20

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Solution

The fourth proportional to 132,879,076.80, 199,346,608.80 and 42,011,851.20 is: 63,026,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,879,076.80 : 199,346,608.80 = 42,011,851.20 : x
  2. Step 2: Convert to fraction form
    132,879,076.80/199,346,608.80 = 42,011,851.20/x
  3. Step 3: Cross multiply
    132,879,076.80x = 199,346,608.80 × 42,011,851.20
  4. Step 4: Simplify right side
    132,879,076.80x = 8,374,920,066,130,212
  5. Step 5: Solve for x
    x = 8,374,920,066,130,212/132,879,076.80
  6. Step 6: Final answer
    x = 63,026,627.43

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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.