Home / 65,015,046-89,720,288.28-35,645,894.64

Finding the Fourth Proportional to 65,015,046, 89,720,288.28 and 35,645,894.64

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Solution

The fourth proportional to 65,015,046, 89,720,288.28 and 35,645,894.64 is: 49,191,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015,046 : 89,720,288.28 = 35,645,894.64 : x
  2. Step 2: Convert to fraction form
    65,015,046/89,720,288.28 = 35,645,894.64/x
  3. Step 3: Cross multiply
    65,015,046x = 89,720,288.28 × 35,645,894.64
  4. Step 4: Simplify right side
    65,015,046x = 3,198,159,943,099,307
  5. Step 5: Solve for x
    x = 3,198,159,943,099,307/65,015,046
  6. Step 6: Final answer
    x = 49,191,074.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.