Home / 56,854,101.24-78,458,659.70-30,748,619.07

Finding the Fourth Proportional to 56,854,101.24, 78,458,659.70 and 30,748,619.07

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Solution

The fourth proportional to 56,854,101.24, 78,458,659.70 and 30,748,619.07 is: 42,433,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,101.24 : 78,458,659.70 = 30,748,619.07 : x
  2. Step 2: Convert to fraction form
    56,854,101.24/78,458,659.70 = 30,748,619.07/x
  3. Step 3: Cross multiply
    56,854,101.24x = 78,458,659.70 × 30,748,619.07
  4. Step 4: Simplify right side
    56,854,101.24x = 2,412,495,439,704,317
  5. Step 5: Solve for x
    x = 2,412,495,439,704,317/56,854,101.24
  6. Step 6: Final answer
    x = 42,433,094.31

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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.