Home / 64,044,923.19-96,088,642.44-20,915,533.59

Finding the Fourth Proportional to 64,044,923.19, 96,088,642.44 and 20,915,533.59

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Solution

The fourth proportional to 64,044,923.19, 96,088,642.44 and 20,915,533.59 is: 31,380,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,044,923.19 : 96,088,642.44 = 20,915,533.59 : x
  2. Step 2: Convert to fraction form
    64,044,923.19/96,088,642.44 = 20,915,533.59/x
  3. Step 3: Cross multiply
    64,044,923.19x = 96,088,642.44 × 20,915,533.59
  4. Step 4: Simplify right side
    64,044,923.19x = 2,009,745,228,571,319.50
  5. Step 5: Solve for x
    x = 2,009,745,228,571,319.50/64,044,923.19
  6. Step 6: Final answer
    x = 31,380,242.62

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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.