Home / 65,164,670.88-89,921,984.40-37,664,380.32

Finding the Fourth Proportional to 65,164,670.88, 89,921,984.40 and 37,664,380.32

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Solution

The fourth proportional to 65,164,670.88, 89,921,984.40 and 37,664,380.32 is: 51,973,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,670.88 : 89,921,984.40 = 37,664,380.32 : x
  2. Step 2: Convert to fraction form
    65,164,670.88/89,921,984.40 = 37,664,380.32/x
  3. Step 3: Cross multiply
    65,164,670.88x = 89,921,984.40 × 37,664,380.32
  4. Step 4: Simplify right side
    65,164,670.88x = 3,386,855,819,570,707.50
  5. Step 5: Solve for x
    x = 3,386,855,819,570,707.50/65,164,670.88
  6. Step 6: Final answer
    x = 51,973,803.81

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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.