Home / 68,669,729.29-94,740,789.08-42,554,718.55

Finding the Fourth Proportional to 68,669,729.29, 94,740,789.08 and 42,554,718.55

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Solution

The fourth proportional to 68,669,729.29, 94,740,789.08 and 42,554,718.55 is: 58,710,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669,729.29 : 94,740,789.08 = 42,554,718.55 : x
  2. Step 2: Convert to fraction form
    68,669,729.29/94,740,789.08 = 42,554,718.55/x
  3. Step 3: Cross multiply
    68,669,729.29x = 94,740,789.08 × 42,554,718.55
  4. Step 4: Simplify right side
    68,669,729.29x = 4,031,667,614,291,539.50
  5. Step 5: Solve for x
    x = 4,031,667,614,291,539.50/68,669,729.29
  6. Step 6: Final answer
    x = 58,710,987.45

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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.