Home / 75,240,005.60-112,860,008.40-46,392,600.80

Finding the Fourth Proportional to 75,240,005.60, 112,860,008.40 and 46,392,600.80

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Solution

The fourth proportional to 75,240,005.60, 112,860,008.40 and 46,392,600.80 is: 69,588,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,240,005.60 : 112,860,008.40 = 46,392,600.80 : x
  2. Step 2: Convert to fraction form
    75,240,005.60/112,860,008.40 = 46,392,600.80/x
  3. Step 3: Cross multiply
    75,240,005.60x = 112,860,008.40 × 46,392,600.80
  4. Step 4: Simplify right side
    75,240,005.60x = 5,235,869,315,985,847
  5. Step 5: Solve for x
    x = 5,235,869,315,985,847/75,240,005.60
  6. Step 6: Final answer
    x = 69,588,901.20

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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.