Home / 86,276,089.13-129,416,790.89-37,728,953.78

Finding the Fourth Proportional to 86,276,089.13, 129,416,790.89 and 37,728,953.78

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Solution

The fourth proportional to 86,276,089.13, 129,416,790.89 and 37,728,953.78 is: 56,594,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276,089.13 : 129,416,790.89 = 37,728,953.78 : x
  2. Step 2: Convert to fraction form
    86,276,089.13/129,416,790.89 = 37,728,953.78/x
  3. Step 3: Cross multiply
    86,276,089.13x = 129,416,790.89 × 37,728,953.78
  4. Step 4: Simplify right side
    86,276,089.13x = 4,882,760,121,291,973
  5. Step 5: Solve for x
    x = 4,882,760,121,291,973/86,276,089.13
  6. Step 6: Final answer
    x = 56,594,592.67

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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.