Home / 56,496,007.80-84,744,011.70-42,891,118.20

Finding the Fourth Proportional to 56,496,007.80, 84,744,011.70 and 42,891,118.20

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Solution

The fourth proportional to 56,496,007.80, 84,744,011.70 and 42,891,118.20 is: 64,336,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496,007.80 : 84,744,011.70 = 42,891,118.20 : x
  2. Step 2: Convert to fraction form
    56,496,007.80/84,744,011.70 = 42,891,118.20/x
  3. Step 3: Cross multiply
    56,496,007.80x = 84,744,011.70 × 42,891,118.20
  4. Step 4: Simplify right side
    56,496,007.80x = 3,634,765,422,566,883.50
  5. Step 5: Solve for x
    x = 3,634,765,422,566,883.50/56,496,007.80
  6. Step 6: Final answer
    x = 64,336,677.30

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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.