Home / 68,406,247.36-94,402,148.72-39,036,995.20

Finding the Fourth Proportional to 68,406,247.36, 94,402,148.72 and 39,036,995.20

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Solution

The fourth proportional to 68,406,247.36, 94,402,148.72 and 39,036,995.20 is: 53,871,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,406,247.36 : 94,402,148.72 = 39,036,995.20 : x
  2. Step 2: Convert to fraction form
    68,406,247.36/94,402,148.72 = 39,036,995.20/x
  3. Step 3: Cross multiply
    68,406,247.36x = 94,402,148.72 × 39,036,995.20
  4. Step 4: Simplify right side
    68,406,247.36x = 3,685,176,226,452,326.50
  5. Step 5: Solve for x
    x = 3,685,176,226,452,326.50/68,406,247.36
  6. Step 6: Final answer
    x = 53,871,924.99

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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.