Home / 55,391,631.59-76,440,688.79-30,274,248.25

Finding the Fourth Proportional to 55,391,631.59, 76,440,688.79 and 30,274,248.25

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Solution

The fourth proportional to 55,391,631.59, 76,440,688.79 and 30,274,248.25 is: 41,778,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,391,631.59 : 76,440,688.79 = 30,274,248.25 : x
  2. Step 2: Convert to fraction form
    55,391,631.59/76,440,688.79 = 30,274,248.25/x
  3. Step 3: Cross multiply
    55,391,631.59x = 76,440,688.79 × 30,274,248.25
  4. Step 4: Simplify right side
    55,391,631.59x = 2,314,184,388,829,452.50
  5. Step 5: Solve for x
    x = 2,314,184,388,829,452.50/55,391,631.59
  6. Step 6: Final answer
    x = 41,778,592.22

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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.