Home / 56,854,549.98-78,459,276.96-30,749,067.18

Finding the Fourth Proportional to 56,854,549.98, 78,459,276.96 and 30,749,067.18

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Solution

The fourth proportional to 56,854,549.98, 78,459,276.96 and 30,749,067.18 is: 42,433,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,549.98 : 78,459,276.96 = 30,749,067.18 : x
  2. Step 2: Convert to fraction form
    56,854,549.98/78,459,276.96 = 30,749,067.18/x
  3. Step 3: Cross multiply
    56,854,549.98x = 78,459,276.96 × 30,749,067.18
  4. Step 4: Simplify right side
    56,854,549.98x = 2,412,549,578,137,266
  5. Step 5: Solve for x
    x = 2,412,549,578,137,266/56,854,549.98
  6. Step 6: Final answer
    x = 42,433,711.62

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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.