Home / 91,347,819.04-126,048,374.80-52,192,131.88

Finding the Fourth Proportional to 91,347,819.04, 126,048,374.80 and 52,192,131.88

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Solution

The fourth proportional to 91,347,819.04, 126,048,374.80 and 52,192,131.88 is: 72,018,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,347,819.04 : 126,048,374.80 = 52,192,131.88 : x
  2. Step 2: Convert to fraction form
    91,347,819.04/126,048,374.80 = 52,192,131.88/x
  3. Step 3: Cross multiply
    91,347,819.04x = 126,048,374.80 × 52,192,131.88
  4. Step 4: Simplify right side
    91,347,819.04x = 6,578,733,400,821,269
  5. Step 5: Solve for x
    x = 6,578,733,400,821,269/91,347,819.04
  6. Step 6: Final answer
    x = 72,018,505.42

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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.