Home / 56,080,123.91-77,390,678.08-30,962,281.80

Finding the Fourth Proportional to 56,080,123.91, 77,390,678.08 and 30,962,281.80

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Solution

The fourth proportional to 56,080,123.91, 77,390,678.08 and 30,962,281.80 is: 42,728,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080,123.91 : 77,390,678.08 = 30,962,281.80 : x
  2. Step 2: Convert to fraction form
    56,080,123.91/77,390,678.08 = 30,962,281.80/x
  3. Step 3: Cross multiply
    56,080,123.91x = 77,390,678.08 × 30,962,281.80
  4. Step 4: Simplify right side
    56,080,123.91x = 2,396,191,983,397,530.50
  5. Step 5: Solve for x
    x = 2,396,191,983,397,530.50/56,080,123.91
  6. Step 6: Final answer
    x = 42,728,008.01

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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.