Home / 409,867,937.55-614,801,424.47-133,518,699.56

Finding the Fourth Proportional to 409,867,937.55, 614,801,424.47 and 133,518,699.56

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Solution

The fourth proportional to 409,867,937.55, 614,801,424.47 and 133,518,699.56 is: 200,277,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867,937.55 : 614,801,424.47 = 133,518,699.56 : x
  2. Step 2: Convert to fraction form
    409,867,937.55/614,801,424.47 = 133,518,699.56/x
  3. Step 3: Cross multiply
    409,867,937.55x = 614,801,424.47 × 133,518,699.56
  4. Step 4: Simplify right side
    409,867,937.55x = 82,087,486,679,128,368
  5. Step 5: Solve for x
    x = 82,087,486,679,128,368/409,867,937.55
  6. Step 6: Final answer
    x = 200,277,892.36

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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.