Home / 57,526,905.15-79,386,605.01-31,421,416.05

Finding the Fourth Proportional to 57,526,905.15, 79,386,605.01 and 31,421,416.05

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Solution

The fourth proportional to 57,526,905.15, 79,386,605.01 and 31,421,416.05 is: 43,361,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,526,905.15 : 79,386,605.01 = 31,421,416.05 : x
  2. Step 2: Convert to fraction form
    57,526,905.15/79,386,605.01 = 31,421,416.05/x
  3. Step 3: Cross multiply
    57,526,905.15x = 79,386,605.01 × 31,421,416.05
  4. Step 4: Simplify right side
    57,526,905.15x = 2,494,439,544,816,224.50
  5. Step 5: Solve for x
    x = 2,494,439,544,816,224.50/57,526,905.15
  6. Step 6: Final answer
    x = 43,361,267.89

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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.