Home / 53,920,924.30-80,881,386.45-40,483,996.30

Finding the Fourth Proportional to 53,920,924.30, 80,881,386.45 and 40,483,996.30

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Solution

The fourth proportional to 53,920,924.30, 80,881,386.45 and 40,483,996.30 is: 60,725,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920,924.30 : 80,881,386.45 = 40,483,996.30 : x
  2. Step 2: Convert to fraction form
    53,920,924.30/80,881,386.45 = 40,483,996.30/x
  3. Step 3: Cross multiply
    53,920,924.30x = 80,881,386.45 × 40,483,996.30
  4. Step 4: Simplify right side
    53,920,924.30x = 3,274,401,749,780,670
  5. Step 5: Solve for x
    x = 3,274,401,749,780,670/53,920,924.30
  6. Step 6: Final answer
    x = 60,725,994.45

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Double scale
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Similar ratio
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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.