Home / 66,648,904.07-91,953,211.83-38,765,695.33

Finding the Fourth Proportional to 66,648,904.07, 91,953,211.83 and 38,765,695.33

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Solution

The fourth proportional to 66,648,904.07, 91,953,211.83 and 38,765,695.33 is: 53,483,703.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,648,904.07 : 91,953,211.83 = 38,765,695.33 : x
  2. Step 2: Convert to fraction form
    66,648,904.07/91,953,211.83 = 38,765,695.33/x
  3. Step 3: Cross multiply
    66,648,904.07x = 91,953,211.83 × 38,765,695.33
  4. Step 4: Simplify right side
    66,648,904.07x = 3,564,630,194,416,731.50
  5. Step 5: Solve for x
    x = 3,564,630,194,416,731.50/66,648,904.07
  6. Step 6: Final answer
    x = 53,483,703.06

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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.