Home / 75,085,421.60-112,628,132.40-26,618,002.40

Finding the Fourth Proportional to 75,085,421.60, 112,628,132.40 and 26,618,002.40

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Solution

The fourth proportional to 75,085,421.60, 112,628,132.40 and 26,618,002.40 is: 39,927,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085,421.60 : 112,628,132.40 = 26,618,002.40 : x
  2. Step 2: Convert to fraction form
    75,085,421.60/112,628,132.40 = 26,618,002.40/x
  3. Step 3: Cross multiply
    75,085,421.60x = 112,628,132.40 × 26,618,002.40
  4. Step 4: Simplify right side
    75,085,421.60x = 2,997,935,898,530,718
  5. Step 5: Solve for x
    x = 2,997,935,898,530,718/75,085,421.60
  6. Step 6: Final answer
    x = 39,927,003.60

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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.