Home / 55,707,501.42-76,881,876.03-31,261,312.62

Finding the Fourth Proportional to 55,707,501.42, 76,881,876.03 and 31,261,312.62

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Solution

The fourth proportional to 55,707,501.42, 76,881,876.03 and 31,261,312.62 is: 43,143,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,707,501.42 : 76,881,876.03 = 31,261,312.62 : x
  2. Step 2: Convert to fraction form
    55,707,501.42/76,881,876.03 = 31,261,312.62/x
  3. Step 3: Cross multiply
    55,707,501.42x = 76,881,876.03 × 31,261,312.62
  4. Step 4: Simplify right side
    55,707,501.42x = 2,403,428,361,385,914.50
  5. Step 5: Solve for x
    x = 2,403,428,361,385,914.50/55,707,501.42
  6. Step 6: Final answer
    x = 43,143,711.35

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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.