Home / 75,174,809.60-112,762,214.40-52,499,993.60

Finding the Fourth Proportional to 75,174,809.60, 112,762,214.40 and 52,499,993.60

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Solution

The fourth proportional to 75,174,809.60, 112,762,214.40 and 52,499,993.60 is: 78,749,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,174,809.60 : 112,762,214.40 = 52,499,993.60 : x
  2. Step 2: Convert to fraction form
    75,174,809.60/112,762,214.40 = 52,499,993.60/x
  3. Step 3: Cross multiply
    75,174,809.60x = 112,762,214.40 × 52,499,993.60
  4. Step 4: Simplify right side
    75,174,809.60x = 5,920,015,534,321,828
  5. Step 5: Solve for x
    x = 5,920,015,534,321,828/75,174,809.60
  6. Step 6: Final answer
    x = 78,749,990.40

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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.