Home / 112,021,009.40-168,031,514.10-26,920,465.40

Finding the Fourth Proportional to 112,021,009.40, 168,031,514.10 and 26,920,465.40

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Solution

The fourth proportional to 112,021,009.40, 168,031,514.10 and 26,920,465.40 is: 40,380,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021,009.40 : 168,031,514.10 = 26,920,465.40 : x
  2. Step 2: Convert to fraction form
    112,021,009.40/168,031,514.10 = 26,920,465.40/x
  3. Step 3: Cross multiply
    112,021,009.40x = 168,031,514.10 × 26,920,465.40
  4. Step 4: Simplify right side
    112,021,009.40x = 4,523,486,561,438,662
  5. Step 5: Solve for x
    x = 4,523,486,561,438,662/112,021,009.40
  6. Step 6: Final answer
    x = 40,380,698.10

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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.